CVE-2009-4923: Cisco ASA 5580

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

Unspecified vulnerability in the DTLS implementation on Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allows remote attackers to cause a denial of service (traceback) via TLS fragments, aka Bug ID CSCso53162.

Affected products

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

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