Cisco ASA and FTD Denial-of-Service Vulnerability (CVE-2024-20481)
Severity: medium · Patch status: unknown · Since 2024-10-24 · CVE-2024-20481
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 added CVE-2024-20481 to its Known Exploited Vulnerabilities catalog on Oct 24, 2024, which means attackers are exploiting it in the wild.
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
- US federal agencies must remediate by Nov 14, 2024 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch
