CVE-2025-55211 FreePBX Post-Authenticated Command Injection
Authenticated administrators can execute arbitrary shell commands via the framework module language settings in FreePBX.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-55211?
CVE-2025-55211 is a medium-severity command injection vulnerability in Sangoma Freepbx, published on 15 Sep 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-78
Which versions are affected by CVE-2025-55211?
It affects 1 product.
Products include Sangoma Freepbx.
How do I fix CVE-2025-55211?
No fix has been published for CVE-2025-55211 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-55211 being exploited?
There is no known exploitation of CVE-2025-55211 in the wild and no public exploit code.
Other vulnerabilities in Sangoma Freepbx
- CVE-2025-57819 Sangoma FreePBX Authentication Bypass
- CVE-2019-19006 Sangoma FreePBX Improper Authentication
- CVE-2026-73663 FreePBX: Unauthenticated SQL injection in FreePBX missedcall via inbound Caller ID name leads to administrator takeover
- CVE-2026-73665 FreePBX UCP: Unauthenticated remote code execution via socket.io namespace auth bypass and AMI action injection
- CVE-2026-46376 FreePBX: Unauthenticated Use of Hard-Coded Credentials Vulnerability in FreePBX UCP Interface
Sources
Also known as GHSA-xg83-m6q5-q24h.