CVE-2012-0378: Cisco 5500 Series Adaptive Security Appliance

High severity, CVSS 7.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Cisco Adaptive Security Appliances (ASA) 5500 series devices with software 8.0 through 8.4 allow remote attackers to cause a denial of service (connection limit exceeded) by triggering a large number of stale connections that result in an incorrect value for an MPF connection count, aka Bug ID CSCtv19854.

Affected products

• Cisco 5500 Series Adaptive Security Appliance
• Cisco Adaptive Security Appliance Software: version 8.0 only; version 8.0(2) only; version 8.0(3) only; version 8.0(4) only; version 8.0(5) only; version 8.0.2 only; …

Published 2012-05-03. Last modified 2026-06-16.