CVE-2021-40125

A vulnerability in the Internet Key Exchange Version 2 (IKEv2) implementation of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an authenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. This vulnerability is due to improper control of a resource. An attacker with the ability to spoof a trusted IKEv2 site-to-site VPN peer and in possession of valid IKEv2 credentials for that peer could exploit this vulnerability by sending malformed, authenticated IKEv2 messages to an affected device. A successful exploit could allow the attacker to trigger a reload of the device.

• cisco secure firewall threat defense (< 6.4.0.13) • cisco secure firewall threat defense (>= 6.6.0 < 6.6.5) • cisco secure firewall threat defense (>= 6.7.0 < 6.7.0.3) • cisco secure firewall threat defense (>= 7.0.0 < 7.0.1) • cisco adaptive security appliance software (>= 9.8.0 < 9.8.4.40) • cisco adaptive security appliance software (>= 9.9.0 < 9.12.4.30) • cisco adaptive security appliance software (>= 9.14.0 < 9.14.3.9) • cisco adaptive security appliance software (>= 9.15.0 < 9.15.1.17) • cisco adaptive security appliance software (>= 9.16.0 < 9.16.2) • cisco asa 5512-x firmware 009.016\(001.025\) • cisco asa 5505 firmware 009.016\(001.025\) • cisco asa 5515-x firmware 009.016\(001.025\) • cisco asa 5525-x firmware 009.016\(001.025\) • cisco asa 5545-x firmware 009.016\(001.025\) • cisco asa 5555-x firmware 009.016\(001.025\) • cisco asa 5580 firmware 009.016\(001.025\) • cisco asa 5585-x firmware 009.016\(001.025\)