CVE-2025-55211

FreePBX Post-Authenticated Command Injection

State
Published
Severity
6.3 Medium
Published
Sep 15, 2025
Updated
Feb 13, 2026
Reserved
Aug 8, 2025

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
4.06.3 MediumCVSS: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:GreenGitHub_M

Weaknesses

  • CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Affected Products

ProductVersions
frameworkFreePBX
  • >= 17.0.19.11, < 17.0.21Affected

References

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.