CVE-2025-59101 describes an authentication bypass vulnerability in an Access Manager web interface. The system verifies authentication based solely on the originating IP address, making it possible to spoof a logged-in user's IP address and gain unauthorized access.
Instead of typical session tokens or cookies, it is verified on a per-request basis if the originating IP address has once successfully logged in. As soon as an authentication request from a certain source IP is successful, the IP address is handled as authenticated. No other session information is stored. Therefore, it is possible to spoof the IP address of a logged-in user to gain access to the Access Manager web interface.