CVE-2012-5717: Cisco Adaptive Security Appliance

Medium severity, CVSS 6.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Cisco Adaptive Security Appliances (ASA) devices with firmware 8.x through 8.4(1) do not properly manage SSH sessions, which allows remote authenticated users to cause a denial of service (device crash) by establishing multiple sessions, aka Bug ID CSCtc59462.

Affected products

• Cisco 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; …
• Cisco ASA 1000v Cloud Firewall
• Cisco ASA 5500

Published 2013-01-18. Last modified 2026-06-16.