Unrated severityNVD Advisory· Published Apr 20, 2025· Updated Apr 28, 2025

CVE-2025-43920

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.

Affected products

GNU/Mailmanv5
Range: 2.1.39

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

code.launchpad.net/~mailman-coders/mailman/2.1mitre
www.openwall.com/lists/oss-security/2025/04/21/6mitre

News mentions

No linked articles in our index yet.

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