CVE-2013-5560: Cisco Adaptive Security Appliance Software

Medium severity, CVSS 5.4. EPSS: 2% chance of exploitation in the next 30 days.

The IPv6 implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1.3 and earlier, when NAT64 or NAT66 is enabled, does not properly process NAT rules, which allows remote attackers to cause a denial of service (device reload) via crafted packets, aka Bug ID CSCue34342.

Affected products

• Cisco Adaptive Security Appliance Software: up to and including 9.1\(3\); version 7.0 only; version 7.0(0) only; version 7.0(1) only; version 7.0(2) only; version 7.0(4) only; …

Published 2013-11-13. Last modified 2026-06-16.