CVE-2013-5507: Cisco Adaptive Security Appliance Software

High severity, CVSS 7.1. EPSS: 1.7% chance of exploitation in the next 30 days.

The IPsec implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1 before 9.1(1.7), when an IPsec VPN tunnel is enabled, allows remote attackers to cause a denial of service (device reload) via a (1) ICMP or (2) ICMPv6 packet that is improperly handled during decryption, aka Bug ID CSCue18975.

Affected products

• Cisco Adaptive Security Appliance Software: version 9.1 only

Published 2013-10-13. Last modified 2026-06-16.