CVE Watch—

CVE-2024-20481

Cisco ASA and FTD Denial-of-Service Vulnerability

CVSS

—

No CVSS

EPSS

16.0%

p97

KEV

YES

Oct 24, 2024

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

16.0%EPSS · 30 days16.0%

2026-06-302026-07-16

KEV catalog record

Product

Cisco / Adaptive Security Appliance (ASA) and Firepower Threat Defense (FTD)

Vulnerability

Cisco ASA and FTD Denial-of-Service Vulnerability

Added to KEV

Oct 24, 2024

Remediate by

Nov 14, 2024

Known ransomware use

Summary 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.

Notes

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-bf-dos-vDZhLqrW ; https://nvd.nist.gov/vuln/detail/CVE-2024-20481

Related CVEs

CVECVSSEPSSKEVRExploitTitleMod.

CVE-2020-3452—

100.0%

KEV—80Cisco ASA and FTD Read-Only Path Traversal Vulnerability—CVE-2020-3580—

99.7%

KEV—80Cisco ASA and FTD Cross-Site Scripting (XSS) Vulnerability—CVE-2020-3259—

99.4%

KEV—80Cisco ASA and FTD Information Disclosure Vulnerability—CVE-2024-20353—

99.3%

KEV—80Cisco ASA and FTD Denial of Service Vulnerability—CVE-2024-20359—

97.1%

KEV—79Cisco ASA and FTD Privilege Escalation Vulnerability—