High CVSS 8.6

Overview

A vulnerability in the certificate processing of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a denial of service (DoS) condition.

This vulnerability is due to improper parsing of SSL/TLS certificates. An attacker could exploit this vulnerability by sending a crafted SSL/TLS certificate to an affected system through a listening SSL/TLS socket. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Risk analysis

This vulnerability is rated 🟠 HIGH.

  • CVSS: 8.6 (HIGH)
  • Detected tags: dos (tag impact: LOW)

Recommended actions:

  • Rate limiting, resource quotas and circuit breakers.

Recommended tools

Tags