Vulnerability Database

299,184

Total vulnerabilities in the database

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: May 22, 2025
  • Updated: Nov 4, 2025
  • CVE: CVE-2025-47779
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.7
  • AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
Software From Fixed in
sangoma / asterisk - 18.26.2
sangoma / asterisk 20.0.0 20.14.1
sangoma / asterisk 21.0.0 21.9.1
sangoma / asterisk 22.0.0 22.4.1
sangoma / certified_asterisk - 18.9
sangoma / certified_asterisk 18.9 18.9.x
sangoma / certified_asterisk 18.9-cert1 18.9-cert1.x
sangoma / certified_asterisk 18.9-cert1-rc1 18.9-cert1-rc1.x
sangoma / certified_asterisk 18.9-cert10 18.9-cert10.x
sangoma / certified_asterisk 18.9-cert11 18.9-cert11.x
sangoma / certified_asterisk 18.9-cert12 18.9-cert12.x
sangoma / certified_asterisk 18.9-cert13 18.9-cert13.x
sangoma / certified_asterisk 18.9-cert2 18.9-cert2.x
sangoma / certified_asterisk 18.9-cert3 18.9-cert3.x
sangoma / certified_asterisk 18.9-cert4 18.9-cert4.x
sangoma / certified_asterisk 18.9-cert5 18.9-cert5.x
sangoma / certified_asterisk 18.9-cert6 18.9-cert6.x
sangoma / certified_asterisk 18.9-cert7 18.9-cert7.x
sangoma / certified_asterisk 18.9-cert8 18.9-cert8.x
sangoma / certified_asterisk 18.9-cert8-rc1 18.9-cert8-rc1.x
sangoma / certified_asterisk 18.9-cert8-rc2 18.9-cert8-rc2.x
sangoma / certified_asterisk 18.9-cert9 18.9-cert9.x
sangoma / certified_asterisk 20.7-cert1 20.7-cert1.x
sangoma / certified_asterisk 20.7-cert1-rc1 20.7-cert1-rc1.x
sangoma / certified_asterisk 20.7-cert1-rc2 20.7-cert1-rc2.x
sangoma / certified_asterisk 20.7-cert2 20.7-cert2.x
sangoma / certified_asterisk 20.7-cert3 20.7-cert3.x
sangoma / certified_asterisk 20.7-cert4 20.7-cert4.x