October 24, 2024 · Applied Cybernetics Group
CVE-2024-20481 — Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
Cisco ASA and FTD Denial-of-Service Vulnerability
- Added to KEV
2024-10-24- Federal due date
2024-11-14- Vendor
- Cisco
- Product
- Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
- EPSS
- 93.6th percentile (score 0.111, as of
2026-06-08) - NVD CVSS v3.1
- —
- Ransomware use
- Unknown
- Upstream
- https://nvd.nist.gov/vuln/detail/CVE-2024-20481
CISA short description
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.
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.