CVE-2015-0675: Cisco Adaptive Security Appliance Software

High severity, CVSS 8.3. EPSS: 1% chance of exploitation in the next 30 days.

The failover ipsec implementation in Cisco Adaptive Security Appliance (ASA) Software 9.1 before 9.1(6), 9.2 before 9.2(3.3), and 9.3 before 9.3(3) does not properly validate failover communication messages, which allows remote attackers to reconfigure an ASA device, and consequently obtain administrative control, by sending crafted UDP packets over the local network to the failover interface, aka Bug ID CSCur21069.

Affected products

• Cisco Adaptive Security Appliance Software: version 9.1.1 only; version 9.1.1.4 only; version 9.1.2 only; version 9.1.2.8 only; version 9.1.3 only; version 9.1.3.2 only; …

Published 2015-04-13. Last modified 2026-06-17.