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CVE-2024-20481: Cisco ASA and FTD Denial-of-Service Vulnerability
Cisco Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD) · in CISA KEV since 2024-10-24
2024-10-24added to KEV
2024-11-14federal remediation due date
15.75%EPSS exploit probability (30 days) 96.7th percentile
5.8 MEDIUMCVSS 3.1
Unknownknown ransomware use
1days from NVD publication to KEV
What it is
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 (CISA)
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
| CWE | CWE-772 |
|---|---|
| CVSS vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L |
| NVD published | 2024-10-23 (Analyzed) |
Original records: NVD · CISA KEV · JSON: /api/cve/CVE-2024-20481.json · all KEV CVEs
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Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.
Get the full file: Exploited Vulnerabilities Brief – September 2026 ($29): this month's KEV additions ranked by EPSS, ransomware use and due date, ready to hand to a patch team. Checkout by Polar.