Apache HTTP Server - 308 CVEs (Page 1/3)

Cycle	Release	Latest	EOL
2.4	2012-02-21	2.4.67	-
2.2	2005-12-01	2.2.34	2017-07-11 Expired
2.0	2002-04-05	2.0.65	2013-07-10 Expired
1.3	1998-06-01	1.3.42	2010-02-03 Expired

2026-05-05

Critical

CVE-2026-28780

Heap-based Buffer Overflow vulnerability in mod_proxy_ajp of Apache HTTP Server. If mod_proxy_ajp connects to a malicious AJP server this AJP server can send a malicious AJP message back to mod_proxy…

CVSS: 9.8 CWE: CWE-122 - Heap-based Buffer Overflow View on NVD

High

CVE-2026-29168

Allocation of Resources Without Limits or Throttling vulnerability in Apache HTTP Server's mod_md via OCSP response data. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.66. Users a…

CVSS: 7.3 CWE: CWE-770 - Allocation of Resources Without Limits or Throttling View on NVD

2026-05-04

Medium

CVE-2026-33523

HTTP response splitting vulnerability in multiple Apache HTTP Server modules with untrusted or compromised backend servers. This issue affects Apache HTTP Server: from through 2.4.66. Users are rec…

CVSS: 6.5 CWE: CWE-443 View on NVD

Medium

CVE-2026-33007

A NULL pointer dereference in the mod_authn_socache in Apache HTTP Server 2.4.66 and earlier allows an unauthenticated remote user to crash a child process in a caching forward proxy configuration.…

CVSS: 5.3 CWE: CWE-476 - NULL Pointer Dereference View on NVD

Medium

CVE-2026-33006

A timing attack against mod_auth_digest in Apache HTTP Server 2.4.66 allows a bypass of Digest authentication by a remote attacker. Users are recommended to upgrade to version 2.4.67, which fixes th…

CVSS: 4.8 CWE: CWE-208 - Observable Timing Discrepancy View on NVD

High

CVE-2026-29169

A NULL pointer dereference in mod_dav_lock in Apache HTTP Server 2.4.66 and earlier may allow an attacker to crash the server with a malicious request.mod_dav_lock is not used internally by mod_dav o…

CVSS: 7.5 CWE: CWE-476 - NULL Pointer Dereference View on NVD

High

CVE-2026-23918

Double Free and possible RCE vulnerability in Apache HTTP Server with the HTTP/2 protocol. This issue affects Apache HTTP Server: 2.4.66. Users are recommended to upgrade to version 2.4.67, which f…

CVSS: 8.8 CWE: CWE-415 - Double Free View on NVD

Medium

CVE-2026-34032

Improper Null Termination, Out-of-bounds Read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which f…

CVSS: 5.3 CWE: CWE-125 - Out-of-bounds Read View on NVD

Medium

CVE-2026-33857

Out-of-bounds Read vulnerability in mod_proxy_ajp of Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the…

CVSS: 5.3 CWE: CWE-125 - Out-of-bounds Read View on NVD

High

CVE-2026-34059

Buffer Over-read vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: through 2.4.66. Users are recommended to upgrade to version 2.4.67, which fixes the issue.

CVSS: 7.5 CWE: CWE-126 - Buffer Over-read View on NVD

2026-01-20

Critical

CVE-2026-21962

Vulnerability in the Oracle HTTP Server, Oracle Weblogic Server Proxy Plug-in product of Oracle Fusion Middleware (component: Weblogic Server Proxy Plug-in for Apache HTTP Server, Weblogic Server Pro…

CVSS: 10.0 CWE: CWE-284 - Improper Access Control View on NVD

2025-12-05

High

CVE-2025-58098

Apache HTTP Server 2.4.65 and earlier with Server Side Includes (SSI) enabled and mod_cgid (but not mod_cgi) passes the shell-escaped query string to #exec cmd="..." directives. This issue affects A…

CVSS: 8.3 CWE: CWE-201 - Insertion of Sensitive Information Into Sent Data View on NVD

Medium

CVE-2025-66200

mod_userdir+suexec bypass via AllowOverride FileInfo vulnerability in Apache HTTP Server. Users with access to use the RequestHeader directive in htaccess can cause some CGI scripts to run under an u…

CVSS: 5.4 CWE: CWE-288 - Authentication Bypass Using an Alternate Path or Channel View on NVD

Medium

CVE-2025-65082

Improper Neutralization of Escape, Meta, or Control Sequences vulnerability in Apache HTTP Server through environment variables set via the Apache configuration unexpectedly superseding variables cal…

CVSS: 6.5 CWE: CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences View on NVD

High

CVE-2025-59775

Server-Side Request Forgery (SSRF) vulnerability in Apache HTTP Server on Windows with AllowEncodedSlashes On and MergeSlashes Off allows to potentially leak NTLM hashes to a malicious server…

CVSS: 7.5 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD

High

CVE-2025-55753

An integer overflow in the case of failed ACME certificate renewal leads, after a number of failures (~30 days in default configurations), to the backoff timer becoming 0. Attempts to renew the certi…

CVSS: 7.5 CWE: CWE-190 - Integer Overflow or Wraparound View on NVD

2025-07-23

Medium

CVE-2025-54090

A bug in Apache HTTP Server 2.4.64 results in all "RewriteCond expr ..." tests evaluating as "true". Users are recommended to upgrade to version 2.4.65, which fixes the issue.

CVSS: 6.3 CWE: CWE-253 - Incorrect Check of Function Return Value View on NVD

2025-07-10

High

CVE-2025-53020

Late Release of Memory after Effective Lifetime vulnerability in Apache HTTP Server. This issue affects Apache HTTP Server: from 2.4.17 up to 2.4.63. Users are recommended to upgrade to version 2.4…

CVSS: 7.5 CWE: CWE-401 - Missing Release of Memory after Effective Lifetime View on NVD

High

CVE-2025-49812

In some mod_ssl configurations on Apache HTTP Server versions through to 2.4.63, an HTTP desynchronisation attack allows a man-in-the-middle attacker to hijack an HTTP session via a TLS upgrade. Onl…

CVSS: 7.4 CWE: CWE-287 - Improper Authentication View on NVD

High

CVE-2025-49630

In certain proxy configurations, a denial of service attack against Apache HTTP Server versions 2.4.26 through to 2.4.63 can be triggered by untrusted clients causing an assertion in mod_proxy_http2.…

CVSS: 7.5 CWE: CWE-617 - Reachable Assertion View on NVD

Critical

CVE-2025-23048

In some mod_ssl configurations on Apache HTTP Server 2.4.35 through to 2.4.63, an access control bypass by trusted clients is possible using TLS 1.3 session resumption. Configurations are affected w…

CVSS: 9.1 CWE: CWE-284 - Improper Access Control View on NVD

High

CVE-2024-47252

Insufficient escaping of user-supplied data in mod_ssl in Apache HTTP Server 2.4.63 and earlier allows an untrusted SSL/TLS client to insert escape characters into log files in some configurations.…

CVSS: 7.5 CWE: CWE-150 - Improper Neutralization of Escape, Meta, or Control Sequences View on NVD

High

CVE-2024-43394

Server-Side Request Forgery (SSRF) in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via mod_rewrite or apache expressions that pass unvalidated request i…

CVSS: 7.5 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD

High

CVE-2024-43204

SSRF in Apache HTTP Server with mod_proxy loaded allows an attacker to send outbound proxy requests to a URL controlled by the attacker. Requires an unlikely configuration where mod_headers is confi…

CVSS: 7.5 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD

High

CVE-2024-42516

HTTP response splitting in the core of Apache HTTP Server allows an attacker who can manipulate the Content-Type response headers of applications hosted or proxied by the server can split the HTTP re…

CVSS: 7.5 CWE: CWE-20 - Improper Input Validation View on NVD

2024-09-02

Critical

CVE-2024-45623

D-Link DAP-2310 Hardware A Firmware 1.16RC028 allows remote attackers to execute arbitrary code via a stack-based buffer overflow in the ATP binary that handles PHP HTTP GET requests for the Apache H…

CVSS: 9.8 CWE: CWE-94 - Improper Control of Generation of Code ('Code Injection') View on NVD

2024-07-18

High

CVE-2024-40898

SSRF in Apache HTTP Server on Windows with mod_rewrite in server/vhost context, allows to potentially leak NTML hashes to a malicious server via SSRF and malicious requests. Users are recommended to…

CVSS: 7.5 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD

Medium

CVE-2024-40725

A partial fix for CVE-2024-39884 in the core of Apache HTTP Server 2.4.61 ignores some use of the legacy content-type based configuration of handlers. "AddType" and similar configuration, under some…

CVSS: 5.3 CWE: CWE-668 - Exposure of Resource to Wrong Sphere View on NVD

2024-07-04

Medium

CVE-2024-39884

A regression in the core of Apache HTTP Server 2.4.60 ignores some use of the legacy content-type based configuration of handlers. "AddType" and similar configuration, under some circumstances wher…

CVSS: 6.2 CWE: N/A View on NVD

2024-07-01

High

CVE-2024-39573

Potential SSRF in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to cause unsafe RewriteRules to unexpectedly setup URL's to be handled by mod_proxy. Users are recommended to…

CVSS: 7.5 CWE: CWE-20 - Improper Input Validation View on NVD

High

CVE-2024-38477

null pointer dereference in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows an attacker to crash the server via a malicious request. Users are recommended to upgrade to version 2.4.60, whic…

CVSS: 7.5 CWE: CWE-476 - NULL Pointer Dereference View on NVD

Critical

CVE-2024-38476

Vulnerability in core of Apache HTTP Server 2.4.59 and earlier are vulnerably to information disclosure, SSRF or local script execution via backend applications whose response headers are malicious o…

CVSS: 9.8 CWE: CWE-829 - Inclusion of Functionality from Untrusted Control Sphere View on NVD

Critical

CVE-2024-38475

Improper escaping of output in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows an attacker to map URLs to filesystem locations that are permitted to be served by the server but are not in…

CVSS: 9.1 CWE: CWE-116 - Improper Encoding or Escaping of Output View on NVD

Critical

CVE-2024-38474

Substitution encoding issue in mod_rewrite in Apache HTTP Server 2.4.59 and earlier allows attacker to execute scripts in directories permitted by the configuration but not directly reachable by any…

CVSS: 9.8 CWE: CWE-116 - Improper Encoding or Escaping of Output View on NVD

High

CVE-2024-38473

Encoding problem in mod_proxy in Apache HTTP Server 2.4.59 and earlier allows request URLs with incorrect encoding to be sent to backend services, potentially bypassing authentication via crafted req…

CVSS: 8.1 CWE: CWE-116 - Improper Encoding or Escaping of Output View on NVD

High

CVE-2024-38472

SSRF in Apache HTTP Server on Windows allows to potentially leak NTLM hashes to a malicious server via SSRF and malicious requests or content Users are recommended to upgrade to version 2.4.60 which…

CVSS: 7.5 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD

2024-04-04

Medium

CVE-2024-24795

HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject malicious response headers into backend applications to cause an HTTP desynchronization attack. U…

CVSS: 6.3 CWE: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') View on NVD

High

CVE-2023-38709

Faulty input validation in the core of Apache allows malicious or exploitable backend/content generators to split HTTP responses. This issue affects Apache HTTP Server: through 2.4.58.

CVSS: 7.3 CWE: CWE-1284 - Improper Validation of Specified Quantity in Input View on NVD

2024-03-27

Medium

CVE-2024-1521

The Elementor Website Builder Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via an SVGZ file uploaded via the Form widget in all versions up to, and including, 3.20.1 due to i…

CVSS: 6.4 CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') View on NVD

2023-11-01

High

CVE-2023-1713

Insecure temporary file creation in bitrix/modules/crm/lib/order/import/instagram.php in Bitrix24 22.0.300 hosted on Apache HTTP Server allows remote authenticated attackers to execute arbitrary code…

CVSS: 8.8 CWE: CWE-434 - Unrestricted Upload of File with Dangerous Type View on NVD

2023-10-23

High

CVE-2023-43622

An attacker, opening a HTTP/2 connection with an initial window size of 0, was able to block handling of that connection indefinitely in Apache HTTP Server. This could be used to exhaust worker resou…

CVSS: 7.5 CWE: CWE-400 - Uncontrolled Resource Consumption View on NVD

High

CVE-2023-31122

Out-of-bounds Read vulnerability in mod_macro of Apache HTTP Server.This issue affects Apache HTTP Server: through 2.4.57.

CVSS: 7.5 CWE: CWE-125 - Out-of-bounds Read View on NVD

2023-09-08

High

CVE-2014-5329

GIGAPOD file servers (Appliance model and Software model) provide two web interfaces, 80/tcp and 443/tcp for user operation, and 8001/tcp for administrative operation. 8001/tcp is served by a versio…

CVSS: 7.5 CWE: N/A View on NVD

2023-05-29

Critical

CVE-2019-19791

In LemonLDAP::NG (aka lemonldap-ng) before 2.0.7, the default Apache HTTP Server configuration does not properly restrict access to SOAP/REST endpoints (when some LemonLDAP::NG setup options are used…

CVSS: 9.8 CWE: N/A View on NVD

2023-03-07

High

CVE-2023-27522

HTTP Response Smuggling vulnerability in Apache HTTP Server via mod_proxy_uwsgi. This issue affects Apache HTTP Server: from 2.4.30 through 2.4.55. Special characters in the origin response header c…

CVSS: 7.5 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

Critical

CVE-2023-25690

Some mod_proxy configurations on Apache HTTP Server versions 2.4.0 through 2.4.55 allow a HTTP Request Smuggling attack. Configurations are affected when mod_proxy is enabled along with some form…

CVSS: 9.8 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

2023-01-17

Medium

CVE-2022-37436

Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers…

CVSS: 5.3 CWE: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') View on NVD

Critical

CVE-2022-36760

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards reque…

CVSS: 9.0 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

High

CVE-2006-20001

A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.…

CVSS: 7.5 CWE: CWE-787 - Out-of-bounds Write View on NVD

2022-12-09

High

CVE-2022-46157

Akeneo PIM is an open source Product Information Management (PIM). Akeneo PIM Community Edition versions before v5.0.119 and v6.0.53 allows remote authenticated users to execute arbitrary PHP code on…

CVSS: 8.8 CWE: CWE-94 - Improper Control of Generation of Code ('Code Injection') View on NVD

2022-06-09

Critical

CVE-2022-31813

Apache HTTP Server 2.4.53 and earlier may not send the X-Forwarded-* headers to the origin server based on client side Connection header hop-by-hop mechanism. This may be used to bypass IP based auth…

CVSS: 9.8 CWE: CWE-348 - Use of Less Trusted Source View on NVD

High

CVE-2022-30556

Apache HTTP Server 2.4.53 and earlier may return lengths to applications calling r:wsread() that point past the end of the storage allocated for the buffer.

CVSS: 7.5 CWE: CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor View on NVD

High

CVE-2022-30522

If Apache HTTP Server 2.4.53 is configured to do transformations with mod_sed in contexts where the input to mod_sed may be very large, mod_sed may make excessively large memory allocations and trigg…

CVSS: 7.5 CWE: CWE-789 - Memory Allocation with Excessive Size Value View on NVD

High

CVE-2022-29404

In Apache HTTP Server 2.4.53 and earlier, a malicious request to a lua script that calls r:parsebody(0) may cause a denial of service due to no default limit on possible input size.

CVSS: 7.5 CWE: CWE-770 - Allocation of Resources Without Limits or Throttling View on NVD

Critical

CVE-2022-28615

Apache HTTP Server 2.4.53 and earlier may crash or disclose information due to a read beyond bounds in ap_strcmp_match() when provided with an extremely large input buffer. While no code distributed…

CVSS: 9.1 CWE: CWE-190 - Integer Overflow or Wraparound View on NVD

Medium

CVE-2022-28614

The ap_rwrite() function in Apache HTTP Server 2.4.53 and earlier may read unintended memory if an attacker can cause the server to reflect very large input using ap_rwrite() or ap_rputs(), such as w…

CVSS: 5.3 CWE: CWE-190 - Integer Overflow or Wraparound View on NVD

Medium

CVE-2022-28330

Apache HTTP Server 2.4.53 and earlier on Windows may read beyond bounds when configured to process requests with the mod_isapi module.

CVSS: 5.3 CWE: CWE-125 - Out-of-bounds Read View on NVD

High

CVE-2022-26377

Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling') vulnerability in mod_proxy_ajp of Apache HTTP Server allows an attacker to smuggle requests to the AJP server it forwards reque…

CVSS: 7.5 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

2022-03-14

Critical

CVE-2022-23943

Out-of-bounds Write vulnerability in mod_sed of Apache HTTP Server allows an attacker to overwrite heap memory with possibly attacker provided data. This issue affects Apache HTTP Server 2.4 version…

CVSS: 9.8 CWE: CWE-190 - Integer Overflow or Wraparound View on NVD

Critical

CVE-2022-22721

If LimitXMLRequestBody is set to allow request bodies larger than 350MB (defaults to 1M) on 32 bit systems an integer overflow happens which later causes out of bounds writes. This issue affects Apac…

CVSS: 9.1 CWE: CWE-190 - Integer Overflow or Wraparound View on NVD

Critical

CVE-2022-22720

Apache HTTP Server 2.4.52 and earlier fails to close inbound connection when errors are encountered discarding the request body, exposing the server to HTTP Request Smuggling

CVSS: 9.8 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

High

CVE-2022-22719

A carefully crafted request body can cause a read to a random memory area which could cause the process to crash. This issue affects Apache HTTP Server 2.4.52 and earlier.

CVSS: 7.5 CWE: CWE-665 - Improper Initialization View on NVD

2021-12-20

Critical

CVE-2021-44790

A carefully crafted request body can cause a buffer overflow in the mod_lua multipart parser (r:parsebody() called from Lua scripts). The Apache httpd team is not aware of an exploit for the vulnerab…

CVSS: 9.8 CWE: CWE-787 - Out-of-bounds Write View on NVD

High

CVE-2021-44224

A crafted URI sent to httpd configured as a forward proxy (ProxyRequests on) can cause a crash (NULL pointer dereference) or, for configurations mixing forward and reverse proxy declarations, can all…

CVSS: 8.2 CWE: CWE-476 - NULL Pointer Dereference View on NVD

2021-10-07

Critical

CVE-2021-42013

It was found that the fix for CVE-2021-41773 in Apache HTTP Server 2.4.50 was insufficient. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Al…

CVSS: 9.8 CWE: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') View on NVD

2021-10-05

Critical

CVE-2021-41773

A flaw was found in a change made to path normalization in Apache HTTP Server 2.4.49. An attacker could use a path traversal attack to map URLs to files outside the directories configured by Alias-li…

CVSS: 9.8 CWE: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') View on NVD

2021-09-16

Critical

CVE-2021-40438

A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.

CVSS: 9.0 CWE: CWE-918 - Server-Side Request Forgery (SSRF) View on NVD

Critical

CVE-2021-39275

ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affe…

CVSS: 9.8 CWE: CWE-787 - Out-of-bounds Write View on NVD

High

CVE-2021-36160

A carefully crafted request uri-path can cause mod_proxy_uwsgi to read above the allocated memory and crash (DoS). This issue affects Apache HTTP Server versions 2.4.30 to 2.4.48 (inclusive).

CVSS: 7.5 CWE: CWE-125 - Out-of-bounds Read View on NVD

High

CVE-2021-34798

Malformed requests may cause the server to dereference a NULL pointer. This issue affects Apache HTTP Server 2.4.48 and earlier.

CVSS: 7.5 CWE: CWE-476 - NULL Pointer Dereference View on NVD

2021-08-16

High

CVE-2021-33193

A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.…

CVSS: 7.5 CWE: N/A View on NVD

2021-06-15

High

CVE-2021-31618

Apache HTTP Server protocol handler for the HTTP/2 protocol checks received request headers against the size limitations as configured for the server and used for the HTTP/1 protocol as well. On viol…

CVSS: 7.5 CWE: CWE-476 - NULL Pointer Dereference View on NVD

2021-06-10

Medium

CVE-2021-30641

Apache HTTP Server versions 2.4.39 to 2.4.46 Unexpected matching behavior with 'MergeSlashes OFF'

CVSS: 5.3 CWE: N/A View on NVD

Critical

CVE-2021-26691

In Apache HTTP Server versions 2.4.0 to 2.4.46 a specially crafted SessionHeader sent by an origin server could cause a heap overflow

CVSS: 9.8 CWE: CWE-122 - Heap-based Buffer Overflow View on NVD

High

CVE-2021-26690

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Cookie header handled by mod_session can cause a NULL pointer dereference and crash, leading to a possible Denial Of Service

CVSS: 7.5 CWE: CWE-476 - NULL Pointer Dereference View on NVD

High

CVE-2020-35452

Apache HTTP Server versions 2.4.0 to 2.4.46 A specially crafted Digest nonce can cause a stack overflow in mod_auth_digest. There is no report of this overflow being exploitable, nor the Apache HTTP…

CVSS: 7.3 CWE: CWE-787 - Out-of-bounds Write View on NVD

High

CVE-2020-13950

Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, le…

CVSS: 7.5 CWE: CWE-476 - NULL Pointer Dereference View on NVD

Medium

CVE-2020-13938

Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows

CVSS: 5.5 CWE: CWE-862 - Missing Authorization View on NVD

Medium

CVE-2019-17567

Apache HTTP Server versions 2.4.6 to 2.4.46 mod_proxy_wstunnel configured on an URL that is not necessarily Upgraded by the origin server was tunneling the whole connection regardless, thus allowing…

CVSS: 5.3 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

2021-04-07

High

CVE-2021-29641

Directus 8 before 8.8.2 allows remote authenticated users to execute arbitrary code because file-upload permissions include the ability to upload a .php file to the main upload directory and/or uploa…

CVSS: 8.8 CWE: CWE-434 - Unrestricted Upload of File with Dangerous Type View on NVD

2020-09-02

Medium

CVE-2020-25073

FreedomBox through 20.13 allows remote attackers to obtain sensitive information from the /server-status page of the Apache HTTP Server, because a connection from the Tor onion service (or from PageK…

CVSS: 5.3 CWE: CWE-668 - Exposure of Resource to Wrong Sphere View on NVD

2020-08-07

High

CVE-2020-9490

Apache HTTP Server versions 2.4.20 to 2.4.43. A specially crafted value for the 'Cache-Digest' header in a HTTP/2 request would result in a crash when the server actually tries to HTTP/2 PUSH a resou…

CVSS: 7.5 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

High

CVE-2020-11993

Apache HTTP Server versions 2.4.20 to 2.4.43 When trace/debug was enabled for the HTTP/2 module and on certain traffic edge patterns, logging statements were made on the wrong connection, causing con…

CVSS: 7.5 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

Medium

CVE-2020-11985

IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for lo…

CVSS: 5.3 CWE: CWE-345 - Insufficient Verification of Data Authenticity View on NVD

Critical

CVE-2020-11984

Apache HTTP server 2.4.32 to 2.4.44 mod_proxy_uwsgi info disclosure and possible RCE

CVSS: 9.8 CWE: CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') View on NVD

2020-04-28

Critical

CVE-2020-12442

Ivanti Avalanche 6.3 allows a SQL injection that is vaguely associated with the Apache HTTP Server, aka Bug 683250.

CVSS: 9.8 CWE: CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') View on NVD

2020-04-02

Medium

CVE-2020-1927

In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL…

CVSS: 6.1 CWE: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect') View on NVD

2020-04-01

Medium

CVE-2020-1934

In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.

CVSS: 5.3 CWE: CWE-908 - Use of Uninitialized Resource View on NVD

2019-10-08

High

CVE-2019-17104

In Centreon VM through 19.04.3, the cookie configuration within the Apache HTTP Server does not protect against theft because the HTTPOnly flag is not set.

CVSS: 7.5 CWE: CWE-565 - Reliance on Cookies without Validation and Integrity Checking View on NVD

2019-09-26

High

CVE-2019-10097

In Apache HTTP Server 2.4.32-2.4.39, when mod_remoteip was configured to use a trusted intermediary proxy server using the "PROXY" protocol, a specially crafted PROXY header could trigger a stack buf…

CVSS: 7.2 CWE: CWE-476 - NULL Pointer Dereference View on NVD

Medium

CVE-2019-10092

In Apache HTTP Server 2.4.0-2.4.39, a limited cross-site scripting issue was reported affecting the mod_proxy error page. An attacker could cause the link on the error page to be malformed and instea…

CVSS: 6.1 CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') View on NVD

Critical

CVE-2019-10082

In Apache HTTP Server 2.4.18-2.4.39, using fuzzed network input, the http/2 session handling could be made to read memory after being freed, during connection shutdown.

CVSS: 9.1 CWE: CWE-416 - Use After Free View on NVD

2019-09-25

Medium

CVE-2019-10098

In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL wi…

CVSS: 6.1 CWE: CWE-601 - URL Redirection to Untrusted Site ('Open Redirect') View on NVD

2019-08-06

Low

CVE-2016-10796

cPanel before 58.0.4 initially uses weak permissions for Apache HTTP Server log files (SEC-130).

CVSS: 3.3 CWE: CWE-275 View on NVD

Medium

CVE-2016-10786

cPanel before 60.0.25 allows members of the nobody group to read Apache HTTP Server SSL keys (SEC-186).

CVSS: 6.5 CWE: CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor View on NVD

2019-08-02

Low

CVE-2017-18429

In cPanel before 66.0.2, Apache HTTP Server SSL domain logs can persist on disk after an account termination (SEC-291).

CVSS: 3.3 CWE: CWE-254 View on NVD

Low

CVE-2017-18428

In cPanel before 66.0.2, Apache HTTP Server domlogs become temporarily world-readable during log processing (SEC-290).

CVSS: 2.5 CWE: CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor View on NVD

Low

CVE-2017-18424

In cPanel before 66.0.2, the Apache HTTP Server configuration file is changed to world-readable when rebuilt (SEC-274).

CVSS: 3.3 CWE: CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor View on NVD

Low

CVE-2017-18412

cPanel before 67.9999.103 allows Apache HTTP Server log files to become world-readable because of mishandling on an account rename (SEC-296).

CVSS: 2.5 CWE: CWE-532 - Insertion of Sensitive Information into Log File View on NVD

2019-08-01

Low

CVE-2018-20932

cPanel before 70.0.23 exposes Apache HTTP Server logs after creation of certain domains (SEC-406).

CVSS: 2.7 CWE: CWE-538 - Insertion of Sensitive Information into Externally-Accessible File or Directory View on NVD

Medium

CVE-2018-20885

cPanel before 74.0.0 allows Apache HTTP Server configuration injection because of DocumentRoot variable interpolation (SEC-416).

CVSS: 5.3 CWE: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') View on NVD

2019-07-19

High

CVE-2019-13980

In Directus 7 API through 2.3.0, uploading of PHP files is blocked only when the Apache HTTP Server is used, leading to uploads/_/originals remote code execution with nginx.

CVSS: 8.8 CWE: CWE-434 - Unrestricted Upload of File with Dangerous Type View on NVD

2019-06-24

High

CVE-2014-9699

The MakerBot Replicator 5G printer runs an Apache HTTP Server with directory indexing enabled. Apache logs, system logs, design files (i.e., a history of print files), and more are exposed to unauthe…

CVSS: 7.5 CWE: CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor View on NVD

Medium

CVE-2019-12938

The Roundcube component of Analogic Poste.io 2.1.6 uses .htaccess to protect the logs/ folder, which is effective with the Apache HTTP Server but is ineffective with nginx. Attackers can read logs vi…

CVSS: 4.3 CWE: CWE-693 - Protection Mechanism Failure View on NVD

2019-06-11

Medium

CVE-2019-0197

A vulnerability was found in Apache HTTP Server 2.4.34 to 2.4.38. When HTTP/2 was enabled for a http: host or H2Upgrade was enabled for h2 on a https: host, an Upgrade request from http/1.1 to http/2…

CVSS: 4.2 CWE: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling') View on NVD

Medium

CVE-2019-0196

A vulnerability was found in Apache HTTP Server 2.4.17 to 2.4.38. Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparison when determining th…

CVSS: 5.3 CWE: CWE-416 - Use After Free View on NVD

Medium

CVE-2019-0220

A vulnerability was found in Apache HTTP Server 2.4.0 to 2.4.38. When the path component of a request URL contains multiple consecutive slashes ('/'), directives such as LocationMatch and RewriteRule…

CVSS: 5.3 CWE: CWE-706 - Use of Incorrectly-Resolved Name or Reference View on NVD

2019-05-22

Critical

CVE-2019-11231

An issue was discovered in GetSimple CMS through 3.3.15. insufficient input sanitation in the theme-edit.php file allows upload of files with arbitrary content (PHP code, for example). This vulnerabi…

CVSS: 9.8 CWE: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') View on NVD

2019-05-10

Medium

CVE-2019-11879

The WEBrick gem 1.4.2 for Ruby allows directory traversal if the attacker once had local access to create a symlink to a location outside of the web root directory. NOTE: The vendor states that this…

CVSS: 5.5 CWE: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') View on NVD

2019-04-08

High

CVE-2019-0211

In Apache HTTP Server 2.4 releases 2.4.17 to 2.4.38, with MPM event, worker or prefork, code executing in less-privileged child processes or threads (including scripts executed by an in-process scrip…

CVSS: 7.8 CWE: CWE-416 - Use After Free View on NVD

High

CVE-2019-0217

In Apache HTTP Server 2.4 release 2.4.38 and prior, a race condition in mod_auth_digest when running in a threaded server could allow a user with valid credentials to authenticate using another usern…

CVSS: 7.5 CWE: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') View on NVD

High

CVE-2019-0215

In Apache HTTP Server 2.4 releases 2.4.37 and 2.4.38, a bug in mod_ssl when using per-location client certificate verification with TLSv1.3 allowed a client to bypass configured access control restri…

CVSS: 7.5 CWE: N/A View on NVD

2019-01-30

High

CVE-2019-0190

A bug exists in the way mod_ssl handled client renegotiations. A remote attacker could send a carefully crafted request that would cause mod_ssl to enter a loop leading to a denial of service. This b…

CVSS: 7.5 CWE: N/A View on NVD

High

CVE-2018-17199

In Apache HTTP Server 2.4 release 2.4.37 and prior, mod_session checks the session expiry time before decoding the session. This causes session expiry time to be ignored for mod_session_cookie sessio…

CVSS: 7.5 CWE: CWE-384 - Session Fixation View on NVD

Medium

CVE-2018-17189

In Apache HTTP server versions 2.4.37 and prior, by sending request bodies in a slow loris way to plain resources, the h2 stream for that request unnecessarily occupied a server thread cleaning up th…

CVSS: 5.3 CWE: CWE-400 - Uncontrolled Resource Consumption View on NVD

2019-01-07

Medium

CVE-2019-5489

The mincore() implementation in mm/mincore.c in the Linux kernel through 4.19.13 allowed local attackers to observe page cache access patterns of other processes on the same system, potentially allow…

CVSS: 5.5 CWE: CWE-319 - Cleartext Transmission of Sensitive Information View on NVD

2018-12-14

Medium

CVE-2018-20149

In WordPress before 4.9.9 and 5.x before 5.0.1, when the Apache HTTP Server is used, authors could upload crafted files that bypass intended MIME type restrictions, leading to XSS, as demonstrated by…

CVSS: 5.4 CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') View on NVD

2018-11-20

Critical

CVE-2018-18864

Loadbalancer.org Enterprise VA MAX before 8.3.3 has XSS because Apache HTTP Server logs are displayed.

CVSS: 9.6 CWE: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') View on NVD

2018-09-25

Medium

CVE-2018-11763

In Apache HTTP Server 2.4.17 to 2.4.34, by sending continuous, large SETTINGS frames a client can occupy a connection, server thread and CPU time without any connection timeout coming to effect. This…

CVSS: 5.9 CWE: N/A View on NVD

2018-08-26

Critical

CVE-2011-2767

mod_perl 2.0 through 2.0.10 allows attackers to execute arbitrary Perl code by placing it in a user-owned .htaccess file, because (contrary to the documentation) there is no configuration option that…

CVSS: 9.8 CWE: CWE-94 - Improper Control of Generation of Code ('Code Injection') View on NVD

About “Apache HTTP Server”

Support & lifecycle: apache-http-server

CVE-2026-28780

CVE-2026-29168

CVE-2026-33523

CVE-2026-33007

CVE-2026-33006

CVE-2026-29169

CVE-2026-23918

CVE-2026-34032

CVE-2026-33857

CVE-2026-34059

CVE-2026-21962

CVE-2025-58098

CVE-2025-66200

CVE-2025-65082

CVE-2025-59775

CVE-2025-55753

CVE-2025-54090

CVE-2025-53020

CVE-2025-49812

CVE-2025-49630

CVE-2025-23048

CVE-2024-47252

CVE-2024-43394

CVE-2024-43204

CVE-2024-42516

CVE-2024-45623

CVE-2024-40898

CVE-2024-40725

CVE-2024-39884

CVE-2024-39573

CVE-2024-38477

CVE-2024-38476

CVE-2024-38475

CVE-2024-38474

CVE-2024-38473

CVE-2024-38472

CVE-2024-24795

CVE-2023-38709

CVE-2024-1521

CVE-2023-1713

CVE-2023-43622

CVE-2023-31122

CVE-2014-5329

CVE-2019-19791

CVE-2023-27522

CVE-2023-25690

CVE-2022-37436

CVE-2022-36760

CVE-2006-20001

CVE-2022-46157

CVE-2022-31813

CVE-2022-30556

CVE-2022-30522

CVE-2022-29404

CVE-2022-28615

CVE-2022-28614

CVE-2022-28330

CVE-2022-26377

CVE-2022-23943

CVE-2022-22721

CVE-2022-22720

CVE-2022-22719

CVE-2021-44790

CVE-2021-44224

CVE-2021-42013

CVE-2021-41773

CVE-2021-40438

CVE-2021-39275

CVE-2021-36160

CVE-2021-34798

CVE-2021-33193

CVE-2021-31618

CVE-2021-30641

CVE-2021-26691

CVE-2021-26690

CVE-2020-35452

CVE-2020-13950

CVE-2020-13938