CVE-2008-2056: Cisco Adaptive Security Appliance

High severity, CVSS 7.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Cisco Adaptive Security Appliance (ASA) and Cisco PIX security appliance 8.0.x before 8.0(3)9 and 8.1.x before 8.1(1)1 allows remote attackers to cause a denial of service (device reload) via a crafted Transport Layer Security (TLS) packet to the device interface.

Affected products

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

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