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 v4.0: 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/E:A/U:Amber
CVE-ID: CVE-2024-20359
CWE-ID: CWE-94
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Cisco Systems, Inc
Affected software:
Cisco Adaptive Security Appliance (ASA)
Cisco Firewall Threat Defense (FTD)

Detailed vulnerability description

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.


How to mitigate CVE-2024-20359

Install updates from vendor's website.

Sources