CVE-2025-20192

A vulnerability in the Internet Key Exchange version 1 IKEv1 implementation of Cisco IOS XE Software could allow an authenticated, remote attacker to cause a denial of service DoS condition. The attacker must have valid IKEv1 VPN credentials to exploit this vulnerability. This vulnerability is du...

CVE-2025-20192

Summary: CVE-2025-20192 affects Cisco IOS XE Software. It is a vulnerability in the IKEv1 implementation where improper validation of IKEv1 phase 2 parameters before handing off to the hardware cryptographic accelerator can allow an authenticated, remote attacker with valid IKEv1 VPN credentials ...