Cisco ASA and FTD Denial-of-Service Vulnerability

Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) contain a missing release of resource after effective lifetime vulnerability that could allow an unauthenticated, remote attacker to cause a denial-of-service (DoS) of the RAVPN service. CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.