CVE-2025-43920

Published April 20th, 2025

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CVSS v3

5.4

MEDIUM

CVSS v2

N/A

Affected

PROJECT

Description

GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.

0NYX-MY7H/CVE-2025-43920

CVE-2025-43920: Remote Command Injection via Email Subject in GNU Mailman 2.1.39

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