Back to Database
Status published
Medium
CVE-2025-55211
FreePBX Post-Authenticated Command Injection
Vulnerability Description
FreePBX is an open-source web-based graphical user interface. From 17.0.19.11 to before 17.0.21, authenticated users of the Administrator Control Panel (ACP) can run arbitrary shell commands by maliciously changing languages of the framework module. This vulnerability is fixed in 17.0.21.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-55211
Credits & Attribution
No credits recorded in the NVD database.
More from FreePBX
View All →CVE-2025-67736
Authenticated SQL Injection in FreePBX tts (Text To Speech) module
High
8.6
CVE-2025-67722
Authenticated amportal search for ‘freepbx_engine’ in non root writeable directories leads to potential privilege escalation
Medium
5.7
CVE-2025-67513
FreePBX Endpoint Manager's Weak Default Password Allows Unauthenticated Access in Endpoint Module REST API
Medium
6.9
CVE-2025-66039
FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header
Critical
9.3
CVE-2025-64328
FreePBX Administration GUI is Vulnerable to Authenticated Command Injection
High
8.6
Affected Vendor
FreePBX
View all reports →Affected Software
framework
Vulnerable Versions:
>= 17.0.19.11, < 17.0.21
Timeline
Official Publish:
September 15th, 2025
Last Modified:
February 13th, 2026
Added to House:
July 22nd, 2026