CVE-2025-20224: Missing Release of Memory after Effective Lifetime

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service DoS...

CVE-2025-20252: Missing Release of Memory after Effective Lifetime

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco Secure Firewall Adaptive Security Appliance ASA Software and Secure Firewall Threat Defense FTD Software could allow an unauthenticated, remote attacker to trigger a memory leak, resulting in a denial of service DoS...

Cisco IOS XE Software Internet Key Exchange Memory Leak (cisco-sa-20180328-ike)

According to its self-reported version, Cisco IOS XE Software is affected by a denial of service DoS vulnerability in the Internet Key Exchange Version 2 IKEv2 module due to incorrect processing of certain IKEv2 packets. An unauthenticated, remote attacker can exploit this, by sending crafted IKE...

CVE-2018-0158

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a memory leak or a reload of an affected device that leads to a denial of service DoS condition. The vulnerability is due to...

CVE-2017-12237

A vulnerability in the Internet Key Exchange Version 2 IKEv2 module of Cisco IOS 15.0 through 15.6 and Cisco IOS XE 3.5 through 16.5 could allow an unauthenticated, remote attacker to cause high CPU utilization, traceback messages, or a reload of an affected device that leads to a denial of servi...