CVE-2025-66039
December 09, 2025
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 Packages
https://github.com/FreePBX/framework.git (SCM_GIT):
Affected version(s) >=release/17.0.1 <release/17.0.23Fix Suggestion:
Update to version release/17.0.23https://github.com/FreePBX/framework.git (SCM_GIT):
Affected version(s) >=release/2.10.0beta1.0 <release/16.0.44Fix Suggestion:
Update to version release/16.0.44Related Resources (3)
Do you need more information?
Contact UsCVSS v4
Base Score:
9.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
Exploit Maturity
POC
CVSS v3
Base Score:
9.8
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Exploit Maturity
FUNCTIONAL
Weakness Type (CWE)
Improper Authentication
EPSS
Base Score:
32.61
