CVE-2025-47779: Using malformed From header can forge identity with ";" or NULL in name portion
Affected: asterisk · Exploitation: unlikely (under 1%)
Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.
Higher than 45% of scored CVEs
DescriptionCVE.org
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.
Affected products1
From the CVE record. A product or version that is not listed is unknown, not unaffected.
- asterisk · asterisk< 18.9-cert14; >= 18.10, < 18.26.2; >= 20.0, < 20.7-cert5; >= 20.8, < 20.14.1; >= 21.0, < 21.9.1; >= 22.0, < 22.4.1
On the Atlas
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CoverageNo articles yet
No CyberSIXT article names CVE-2025-47779 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.