CVE-2025-55211

FreePBX Post-Authenticated Command Injection

Published Sep 15, 2025 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2025-29256 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.
History
Type Values Removed Values Added
First Time appeared Sangoma
Sangoma freepbx
CPEs cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:*
Vendors & Products Sangoma
Sangoma freepbx
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Freepbx
Freepbx freepbx
Vendors & Products Freepbx
Freepbx freepbx
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title FreePBX Post-Authenticated Command Injection
Weaknesses CWE-78
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:L/U:Green'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Feb 13, 2026, 9:57 PM
Reserved
Aug 8, 2025, 9:55 PM
Status
Analyzed
Published
Sep 15, 2025, 9:15 PM
Modified
Jun 17, 2026, 9:41 AM