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Mailman Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (CVE-2025-43920) - Vulnerability Database

Mailman Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (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.

References

CVE-2025-43920

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Severity

High

Classification

CVE-2025-43920
CWE-138
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Tags

Missing Update
Known Vulnerabilities