CVE-2026-20015

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall ASA Software and Cisco Secure FTD Software (affected versions not specified)

Description A flaw exists in the IKEv2 feature that may allow a remote attacker to disrupt service availability. The issue stems from a memory leak during the processing of IKEv2 packets. An attacker could exploit this by sending specially crafted IKEv2 packets, potentially exhausting system resources and causing a denial-of-service (DoS) condition requiring a manual device reload.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.