CVE-2024-20481
MEDIUM CISA KEVCVSS v3
5.8
MEDIUM
EPSS Score
—
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of the RAVPN service. This vulnerability is due to resource exhaustion. An attacker could exploit this vulnerability by sending a large number of VPN authentication requests to an affected device. A successful exploit could allow the attacker to exhaust r
CISA Known Exploited Vulnerability
- Date Added
- 10/24/2024
- Patch Due Date
- 11/14/2024
- Required Action
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 10/23/2024
- Last Modified
- 10/28/2025
Frequently Asked Questions
What is CVE-2024-20481?
A vulnerability in the Remote Access VPN (RAVPN) service of Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) of the RAVPN service. This vulnerability is due to resource exhaustion. An attacker could exploit this vulnerability by sending a large number of VPN authentication requests to an affected device. A successful exploit could allow the attacker to exhaust r
Is CVE-2024-20481 actively exploited?
Yes. CVE-2024-20481 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 11/14/2024.
What is the CVSS score for CVE-2024-20481?
CVE-2024-20481 has a CVSS v3 base score of 5.8 (MEDIUM severity), with vector string 3.1.
Is CVE-2024-20481 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.