Code Injection in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2024-20359

 

Code Injection in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2024-20359

Published: April 24, 2024 / Updated: April 25, 2024


Vulnerability identifier: #VU88980
CSH Severity: High
CVSS v4: 8.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-20359
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation in a legacy capability that allowed for the preloading of VPN clients and plug-ins. A local user can copy a crafted file to the disk0: file system of an affected device and execute arbitrary code with root privileges.

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


Affected software

Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)

How to mitigate CVE-2024-20359

Install updates from vendor's website.

Cisco Adaptive Security Appliance (ASA) - addressed in versions 9.16.4.57, 9.18.4.22, 9.19.1.28, 9.20.2.10
Cisco Firewall Threat Defense (FTD) - addressed in versions 9.16.4.57, 9.18.4.22, 9.19.1.28, 9.20.2.10

External References

Related Security Bulletins