High CVSS 7.7

Overview

A vulnerability in the Remote Access SSL VPN service for Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow a remote attacker that is authenticated as a VPN user to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.

This vulnerability is due to incomplete error checking when parsing an HTTP header field value. An attacker could exploit this vulnerability by sending a crafted HTTP request to a targeted Remote Access SSL VPN service on an affected device. A successful exploit could allow the attacker to cause a DoS condition, which would cause the affected device to reload.

Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 7.7 (HIGH)
  • Detected tags: dos (tag impact: LOW)

Recommended actions:

  • Rate limiting, resource quotas and circuit breakers.

Recommended tools

Tags