CVE-2024-20481
Cisco ASA and FTD Denial-of-Service Vulnerability
IN CISA KEV
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.
- Vendor
- Cisco
- Product
- Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)
- CVSS
- No score recorded (no NVD record loaded for this entry)
- CWE
- CWE-772
- Published
- Not recorded
- NVD modified
- Not recorded
CISA KEV
- Date added
- 2024-10-24
- Due date
- 2024-11-14
- Ransomware use
- Unknown
- Required action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
EPSS
15.9% chance of exploitation in the next 30 days (percentile 96th)
FIRST EPSS, updated 17 Oct 2026. About EPSS
CVSS is severity, EPSS is likelihood, KEV means already exploited. EPSS is a statistical probability, not a certainty: a low score does not make a bug safe, and a high one does not prove it is being exploited.
Data last updated 18 Oct 2026. Sources: NVD API 2.0, CISA KEV catalog, FIRST EPSS. Links: NVD, CISA KEV. Metadata only. ThreatWire does not host exploit code.