FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to authentication bypass when the authentication type is set to "webserver." When providing an Authorization header with an arbitrary value, a session is associated with the target user regardless of valid credentials. This issue is fixed in versions 16.0.44 and 17.0.23.

According to its self-reported version number, the FreePBOX application running on the remote host is prior to 16.0.44 or 17.x prior to 17.0.23. It is, therefore, affected by an authentication bypass when providing an Authorization header with an arbitrary value, a session is associated with the target user regardless of valid credentials.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Type	Severity
115086	FreeBPX 17.0.x < 17.0.23 Authentication Bypass	Web App Scanning	Component Vulnerability	Version Based	critical
115085	FreeBPX < 16.0.44 Authentication Bypass	Web App Scanning	Component Vulnerability	Version Based	critical

Detections

Analytics

CVE-2025-66039

critical

Tenable Plugins

critical

critical