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Wed, 19 Nov 2025 19:15:00 +0000
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ssvc
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Wed, 19 Nov 2025 16:45:00 +0000
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| Description | AudioCodes Fax Server and Auto-Attendant IVR appliances versions up to and including 2.6.23 are vulnerable to an authenticated command injection in the fax test functionality implemented by AudioCodes_files/TestFax.php. When a fax "send" test is requested, the application builds a faxsender command line using attacker-supplied parameters and passes it to GlobalUtils::RunBatchFile without proper validation or shell-argument sanitization. The resulting batch file is written into a temporary run directory and then executed via a backend service that runs as NT AUTHORITY\\SYSTEM. An authenticated attacker with access to the fax test interface can craft parameter values that inject additional shell commands into the generated batch file, leading to arbitrary command execution with SYSTEM privileges. In addition, because the generated batch files reside in a location with overly permissive file system permissions, a local low-privilege user on the server can modify pending batch files to achieve the same elevation. | |
| Title | AudioCodes Fax/IVR Appliance <= 2.6.23 Authenticated Command Injection via TestFax.php & LPE | |
| Weaknesses | CWE-78 | |
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| Metrics |
cvssV4_0
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Status: PUBLISHED
Assigner: VulnCheck
Published:
Updated: 2025-11-19T18:20:24.573Z
Reserved: 2025-04-15T19:15:22.586Z
Link: CVE-2025-34334
Updated: 2025-11-19T16:48:28.634Z
Status : Awaiting Analysis
Published: 2025-11-19T17:15:48.703
Modified: 2025-11-19T19:14:59.327
Link: CVE-2025-34334
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OpenCVE Enrichment
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