CVE-2009-4920: Cisco ASA 5580

High severity, CVSS 7.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Unspecified vulnerability in CTM on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software 8.1(2) allows remote attackers to cause a denial of service (watchdog traceback) via a large amount of small-packet data, aka Bug ID CSCsu11412.

Affected products

• Cisco ASA 5580: up to and including 8.1\(1\)

Published 2010-06-29. Last modified 2026-06-16.