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CVE-2025-66039

FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header

Published: Dec 9, 2025Updated: Feb 2, 2026 Sources: CVE List NVD BDUCWE-287
9.8CRITICAL
NVD MITRE
EPSS Score
3.3%
Top 12.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-287

Affected Products

sangoma
commercial·CAaka certified asterisk, asterisk, freepbx
freepbxOn-premWeb App
Communications / messaging-chat
FreePBX
oss-projectaka security-reporting, endpoint
frameworkOn-prem
Communications / voip-telephony
Sangoma Technologies Inc.
commercial·CAaka sangoma
FreePBXMixed
Communications / voip-telephony

Exploitability

Official Patch Available
Workaround Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/FreePBX/framework/commit/04224253156543cd9932b90458660b2f19fc0e35#diff-72f14a52840a61504a8e03cd195035b44e488aecd634b001bc6412a04bdc940bR20-R50
github.com
https://github.com/FreePBX/security-reporting/security/advisories/GHSA-9jvh-mv6x-w698
github.com
https://www.freepbx.org/watch-what-we-do-with-security-fixes-%f0%9f%91%80
freepbx.org
and 2 more references View all →
News mentions
1

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