CVE-2025-57819 | FreePBX is an open-source web-based graphical user interface… | CVSS 10.0 CRITICAL

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.

Metadata

CVE ID: CVE-2025-57819
State: PUBLISHED
Assigner: GitHub_M
Reserved: 2025-08-20 14:30 UTC
Published: 2025-08-28 16:45 UTC
Last updated: 2026-02-26 17:47 UTC
Primary CWE: CWE-89
CWE-89: Improper Neutralization of Special Elements used in …
Vendor / Product: FreePBX / endpoint
Sources: cve.org · NVD

Severity & Metrics

10.0 CRITICAL CVSS 4.0

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 Coordinator

Exploitation: ACTIVE
Automatable: yes
Tech. Impact: total

CISA Known Exploited Vulnerability

Vulnerability name: Sangoma FreePBX Authentication Bypass Vulnerability
Vendor: Sangoma
Product: FreePBX
Added to KEV: 2025-08-29
Due date: 2025-09-19
Ransomware: Not known

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 description

Sangoma FreePBX contains an authentication bypass vulnerability due to insufficiently sanitized user-supplied data allows unauthenticated access to FreePBX Administrator leading to arbitrary database manipulation and remote code execution.

Affected products (1)

Vendor	Product	Platform	Versions
FreePBX	endpoint	—	< 15.0.66, < 16.0.89, < 17.0.3

Weakness (CWE)

CWE	Source	Description
CWE-288	cna	CWE-288: Authentication Bypass Using an Alternate Path or Channel
CWE-89	cna	CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS scores (1)

Score	Severity	Version	Source	Vector
10.0	CRITICAL	4.0	cna	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

References (2)

https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h https://github.com/FreePBX/security-reporting/security/advisories/GHSA-m42g-xg4c-5f3h
https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203 https://community.freepbx.org/t/security-advisory-please-lock-down-your-administrator-access/107203