CVE-2025-55211CWE-78

FreePBX Post-Authenticated Command Injection

Medium · published September 15, 2025

CVSS v4.0
6.3
EPSS
0%
Percentile
37.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
6.3 · MEDIUM
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
EPSS
0.00439 · 37.1th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-09-15T21:00Z
EPSS history
Timeline
  • 15 SEP 21:00Z
    FreePBX Post-Authenticated Command Injection
    cvelistv5