About “FortiOS”

A curated feed of “FortiOS”-related CVEs appears below. We currently track 260 CVEs for this tag (all time). In the last 365 days, 48 were published. Average CVSS is 6.2 (all time; 5.9 over 365d), and 33% are rated High/Critical (all time). Top CWEs (last 365 days): CWE-122 - Heap-based Buffer Overflow, CWE-288 - Authentication Bypass Using an Alternate Path or Channel, CWE-613 - Insufficient Session Expiration.

In our taxonomy this topic maps to a HIGH impact class. Network and security appliances sit on critical paths. Restrict management exposure, back up configs, and schedule firmware updates with policy validation. Use the filters below to sort by CVSS, risk and CWE. Each detail page highlights vendor advisories and mitigation tips.

CVEs tagged with this topic. Filters apply to the whole list (loaded from JSON).

CVSS ≥ 0.0
2015-10-15
Critical

CVE-2015-7361

FortiOS 5.2.3, when configured to use High Availability (HA) and the dedicated management interface is enabled, does not require authentication for access to the ZebOS shell on the HA dedicated manag…

2015-08-11
Medium

CVE-2015-5965

The SSL-VPN feature in Fortinet FortiOS before 4.3.13 only checks the first byte of the TLS MAC in finished messages, which makes it easier for remote attackers to spoof encrypted content via a craft…

Medium

CVE-2015-3626

Cross-site scripting (XSS) vulnerability in the DHCP Monitor page in the Web User Interface (WebUI) in Fortinet FortiOS before 5.2.4 on FortiGate devices allows remote attackers to inject arbitrary w…

Medium

CVE-2015-2323

FortiOS 5.0.x before 5.0.12 and 5.2.x before 5.2.4 supports anonymous, export, RC4, and possibly other weak ciphers when using TLS to connect to FortiGuard servers, which allows man-in-the-middle att…

2015-05-12
Medium

CVE-2015-1880

Cross-site scripting (XSS) vulnerability in the sslvpn login page in Fortinet FortiOS 5.2.x before 5.2.3 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Medium

CVE-2014-8616

Multiple cross-site scripting (XSS) vulnerabilities in Fortinet FortiOS 5.2.x before 5.2.3 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors to the (1) user group…

2015-02-10
Medium

CVE-2015-1571

The CAPWAP DTLS protocol implementation in Fortinet FortiOS 5.0 Patch 7 build 4457 uses the same certificate and private key across different customers' installations, which makes it easier for man-i…

2015-02-02
High

CVE-2015-1452

The Control and Provisioning of Wireless Access Points (CAPWAP) daemon in Fortinet FortiOS 5.0 Patch 7 build 4457 allows remote attackers to cause a denial of service (locked CAPWAP Access Controller…

Low

CVE-2015-1451

Multiple cross-site scripting (XSS) vulnerabilities in Fortinet FortiOS 5.0 Patch 7 build 4457 allow remote authenticated users to inject arbitrary web script or HTML via the (1) WTP Name or (2) WTP…

2014-09-10
Medium

CVE-2014-0351

The FortiManager protocol service in Fortinet FortiOS before 4.3.16 and 5.x before 5.0.8 on FortiGate devices does not prevent use of anonymous ciphersuites, which makes it easier for man-in-the-midd…

2014-08-25
High

CVE-2014-2216

The FortiManager protocol service in Fortinet FortiOS before 4.3.16 and 5.0.0 before 5.0.8 on FortiGate devices allows remote attackers to cause a denial of service and possibly execute arbitrary cod…

2014-02-04
Medium

CVE-2013-7182

Cross-site scripting (XSS) vulnerability in firewall/schedule/recurrdlg in Fortinet FortiOS 5.0.5 allows remote attackers to inject arbitrary web script or HTML via the mkey parameter.

Medium

CVE-2013-7181

Cross-site scripting (XSS) vulnerability in user/ldap_user/add in Fortinet FortiOS 5.0.3 allows remote attackers to inject arbitrary web script or HTML via the filter parameter.

2013-07-08
Medium

CVE-2013-1414

Multiple cross-site request forgery (CSRF) vulnerabilities in Fortinet FortiOS on FortiGate firewall devices before 4.3.13 and 5.x before 5.0.2 allow remote attackers to hijack the authentication of…

2013-06-25
Medium

CVE-2013-4604

Fortinet FortiOS before 5.0.3 on FortiGate devices does not properly restrict Guest capabilities, which allows remote authenticated users to read, modify, or delete the records of arbitrary users by…

2006-06-24
Medium

CVE-2006-3222

The FTP proxy module in Fortinet FortiOS (FortiGate) before 2.80 MR12 and 3.0 MR2 allows remote attackers to bypass anti-virus scanning via the Enhanced Passive (EPSV) FTP mode.

2005-12-31
Critical

CVE-2005-3057

The FTP component in FortiGate 2.8 running FortiOS 2.8MR10 and v3beta, and other versions before 3.0 MR1, allows remote attackers to bypass the Fortinet FTP anti-virus engine by sending a STOR comman…

High

CVE-2005-3058

Interpretation conflict in Fortinet FortiGate 2.8, running FortiOS 2.8MR10 and v3beta, allows remote attackers to bypass the URL blocker via an (1) HTTP request terminated with a line feed (LF) and n…

2005-12-29
High

CVE-2005-4570

The Internet Key Exchange version 1 (IKEv1) implementations in Fortinet FortiOS 2.50, 2.80 and 3.0, FortiClient 2.0,; and FortiManager 2.80 and 3.0 allow remote attackers to cause a denial of service…

2005-06-01
High

CVE-2005-1837

Fortinet firewall running FortiOS 2.x contains a hardcoded username with the password set to the serial number, which allows local users with console access to gain privileges.