CVE-2025-66039: FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-66039?
CVE-2025-66039 is considered a high severity vulnerability due to the potential for authentication bypass.
How do I fix CVE-2025-66039?
To fix CVE-2025-66039, update the FreePBX Endpoint Manager to the latest version that contains the security patch.
What versions of FreePBX Endpoint Manager are affected by CVE-2025-66039?
CVE-2025-66039 affects FreePBX Endpoint Manager versions from 16.0.0 to 16.0.44 and from 17.0.0 to 17.0.23.
What kind of vulnerability is CVE-2025-66039?
CVE-2025-66039 is an authentication bypass vulnerability that allows unauthorized access under specific conditions.
Can CVE-2025-66039 be exploited remotely?
Yes, CVE-2025-66039 can be exploited remotely if the vulnerable configuration is in use.