How severe is CVE-2025-57819?

CVE-2025-57819 has a CVSS 4.0 base score of 10 (CRITICAL). EPSS estimates a 85.5% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2025-57819: FreePBX Affected by Authentication Bypass Leading to

CISA Known Exploited Vulnerabilities

Sangoma FreePBX Authentication Bypass Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2025-08-29

Remediation due

2025-09-19

Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

CISA notes
https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h ; https://nvd.nist.gov/vuln/detail/CVE-2025-57819

Description

FreePBX is an open-source web-based graphical user interface. FreePBX 15, 16, and 17 endpoints are vulnerable due to insufficiently sanitized user-supplied data allowing unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution. This issue has been patched in endpoint versions 15.0.66, 16.0.89, and 17.0.3.

Severity

CVSS 4.0 · CNA10 CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
FreePBX	endpoint	< 15.0.66 < 16.0.89 < 17.0.3

References

2 Links

Other references

Record Details

Published

2025-08-28

Last updated

2026-02-26

Assigner (CNA)

GitHub_M

Credited to

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CVE-2025-643288.6

FreePBX Administration GUI is Vulnerable to Authenticated Command Injection

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-89 · SQL Injection

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CWE-288 · Authentication Bypass via Alternate Path

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.