CVE-2025-66039— FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header
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I. Basic Information for CVE-2025-66039
Vulnerability Information
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Vulnerability Title
FreePBX Endpoint Manager Allows Unauthenticated Logins to Administrator Control Panel via Forged Basic Auth Header
Source: NVD (National Vulnerability Database)
Vulnerability Description
FreePBX Endpoint Manager is a module for managing telephony endpoints in FreePBX systems. Versions are vulnerable to authentication bypass when the authentication type is set to "webserver." When providing an Authorization header with an arbitrary value, a session is associated with the target user regardless of valid credentials. This issue is fixed in versions 16.0.44 and 17.0.23.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
认证机制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
FreePBX Endpoint Manager 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FreePBX Endpoint Manager是FreePBX开源的一款集中管理IP电话终端配置模块。 FreePBX Endpoint Manager存在授权问题漏洞，该漏洞源于身份验证绕过，可能导致未经授权的访问。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2025-66039
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | This vulnerability allows both authenticated and unauthenticated remote attackers to execute remote code on vulnerable FreePBX instances. These issues have been fixed in FreePBX versions 16.0.42, 16.0.92, 17.0.6, and 17.0.22. It's important to note that this authentication bypass vulnerability is not present in the default FreePBX configuration. | https://github.com/BimBoxH4/CVE-2025-66039_CVE-2025-61675_CVE-2025-61678_reePBX | POC Details |
| 2 | This repository documents three security vulnerabilities discovered in FreePBX (CVE-2025-66039, CVE-2025-61678, CVE-2025-61675), including analysis, impact, and proof-of-concept details for security research and awareness purposes. | https://github.com/cyberleelawat/FreePBX-Multiple-CVEs-2025 | POC Details |
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