FreePBX vulnerable to unauthenticated Denial of Service
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.
Summary
FreePBX is an open-source web-based graphical user interface. In FreePBX 15, 16, and 17, malicious connections to the Administrator Control Panel web interface can cause the uninstall function to be triggered for certain modules. This function drops the module's database tables, which is where most modules store their configuration. This vulnerability is fixed in 15.0.38, 16.0.41, and 17.0.21.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| FreePBX | framework | before 15.0.38; 16.0.0 to before 16.0.41; 17.0.0 to before 17.0.21 | 15.0.38, 16.0.41, 17.0.21 | Patch available | CNA |
- framework VendorFreePBX Affected before 15.0.38; 16.0.0 to before 16.0.41; 17.0.0 to before 17.0.21 Fixed in 15.0.38, 16.0.41, 17.0.21 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* | 15.0 to before 15.0.38; 16.0 to before 16.0.41; 17.0 to before 17.0.21 | Vulnerable | Sangoma |
- cpe:2.3:a:sangoma:freepbx:*:*:*:*:*:*:*:* Versions 15.0 to before 15.0.38; 16.0 to before 16.0.41; 17.0 to before 17.0.21 Vulnerable ·Sangoma
Remediation
- Fix · CNA framework (FreePBX) Fixed in 15.0.38, 16.0.41, 17.0.21
Timeline
- 2026-10-02 Threatist record created from CVE-2025-59056
References
More FreePBX vulnerabilities
- TI-2025-35702 FreePBX Affected by Authentication Bypass Leading to SQL Injection and RCE KEVCVSS 4.0CRITICAL 10.0
- TI-2025-39763 FreePBX Administration GUI is Vulnerable to Authenticated Command Injection KEVCVSS 4.0HIGH 8.6
- TI-2024-38391 FreePBX 16 Authenticated Remote Code Execution via API Module CVSS 4.0HIGH 8.7
- TI-2014-06023 htdocs_ari/includes/login.php in the ARI Framework module/Asterisk Recording Interface… CVSS 2.0HIGH 10.0
- TI-2025-36981 FreePBX core module vulnerable to reflected cross-site scripting via Asterisk HTTP Status page CVSS 4.0HIGH 8.5
- TI-2025-38110 FreePBX Endpoint Manager vulnerable to authenticated arbitrary file upload via fwbrand parameter CVSS 4.0HIGH 8.6
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences