CVE-2008-2733: Cisco Adaptive Security Appliance 5500

High severity, CVSS 7.1. EPSS: 3.2% chance of exploitation in the next 30 days.

Cisco PIX and Adaptive Security Appliance (ASA) 5500 devices 7.2 before 7.2(4)2, 8.0 before 8.0(3)14, and 8.1 before 8.1(1)4, when configured as a client VPN endpoint, do not properly process IPSec client authentication, which allows remote attackers to cause a denial of service (device reload) via a crafted authentication attempt, aka Bug ID CSCso69942.

Affected products

• Cisco Adaptive Security Appliance 5500: version 7.2 only; version 8.0 only; version 8.1 only
• Cisco Pix: version 7.2 only; version 8.0 only; version 8.1 only

Published 2008-09-04. Last modified 2026-06-16.