#VU99291 Missing Release of Resource after Effective Lifetime in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) - CVE-2024-20481

 

#VU99291 Missing Release of Resource after Effective Lifetime in Cisco Firewall Threat Defense (FTD) and Cisco Adaptive Security Appliance (ASA) - CVE-2024-20481

Published: October 23, 2024


Vulnerability identifier: #VU99291
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2024-20481
CWE-ID: CWE-772
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild
Vulnerable software:
Cisco Firewall Threat Defense (FTD)
Cisco Adaptive Security Appliance (ASA)
Software vendor:
Cisco Systems, Inc

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to resource exhaustion in the Remote Access VPN (RAVPN) service. A remote attacker can perform password spraying attack, cause resource exhaustion and perform a denial of service attack against the RAVPN service.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install updates from vendor's website.

External links