Vulnerability Monitor

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CVE-2025-47779

Asterisk is an open-source private branch exchange (PBX). Prior to versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk, SIP requests of the type MESSAGE (RFC 3428) authentication do not get proper alignment. An authenticated attacker can spoof any user identity to send spam messages to the user with their authorization token. Abuse of this security issue allows authenticated attackers to send fake chat messages can be spoofed to appear to come from trusted entities. Even administrators who follow Security best practices and Security Considerations can be impacted. Therefore, abuse can lead to spam and enable social engineering, phishing and similar attacks. Versions 18.26.2, 20.14.1, 21.9.1, and 22.4.1 of Asterisk and versions 18.9-cert14 and 20.7-cert5 of certified-asterisk fix the issue.

Published

2025-05-22T17:15:24.730

Last Modified

2025-11-03T20:19:05.613

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.7 (HIGH)

Weaknesses
  • Type: Secondary
    CWE-140
    CWE-792
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application sangoma asterisk < 18.26.2 Yes
Application sangoma asterisk < 20.14.1 Yes
Application sangoma asterisk < 21.9.1 Yes
Application sangoma asterisk < 22.4.1 Yes
Application sangoma certified_asterisk < 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 18.9 Yes
Application sangoma certified_asterisk 20.7 Yes
Application sangoma certified_asterisk 20.7 Yes
Application sangoma certified_asterisk 20.7 Yes
Application sangoma certified_asterisk 20.7 Yes
Application sangoma certified_asterisk 20.7 Yes
Application sangoma certified_asterisk 20.7 Yes
References