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CVE-2025-43920

CVE-2025-43920

CVSS 5.4 MEDIUMEPSS 0.5%CWE-78
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
Productos afectados
GNU · Mailman

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Referencias
https://code.launchpad.net/~mailman-coders/mailman/2.1https://github.com/0NYX-MY7H/CVE-2025-43920https://github.com/cpanel/mailman2-python3https://www.openwall.com/lists/oss-security/2025/04/21/6