Missing authorization in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2025-20362

 

Missing authorization in Cisco Adaptive Security Appliance (ASA) and Cisco Firewall Threat Defense (FTD) - CVE-2025-20362

Published: September 25, 2025


Vulnerability identifier: #VU116118
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2025-20362
CWE-ID: CWE-862
Exploitation vector: Remote 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 remote attacker to bypass authorization checks.

The vulnerability exists due to improper validation of user-supplied input within the VPN Web Server. A remote attacker can send specially crafted HTTP request to a targeted web server on a device and access a restricted URL without authentication.

Note, the vulnerability is being exploited in the wild. 


How to mitigate CVE-2025-20362

Install update from vendor's website.

Sources