A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to access restricted URL endpoints without authentication that should otherwise be inaccessible without authentication.
This vulnerability is due to improper validation of user-supplied input in HTTP(S) requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to a targeted web server on a device. A successful exploit could allow the attacker to access a restricted URL without authentication.
Cisco has released software updates that address this vulnerability. Cisco continues to strongly recommend that customers upgrade to a fixed software release to remediate this vulnerability. There are no workarounds that address this vulnerability.
This advisory is available at the following link:
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-webvpn-YROOTUW
For more information on the vulnerability that is described in this advisory, see Cisco Event Response: Continued Attacks Against Cisco Firewall Platforms.
Security Impact Rating: Medium
CVE: CVE-2025-20362
http://news.poseidon-us.com/TNHfkp
