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Mailman Incorrect Authorization Vulnerability (CVE-2025-43921) - Vulnerability Database

Mailman Incorrect Authorization Vulnerability (CVE-2025-43921)

Description

GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the /mailman/create endpoint.

References

CVE-2025-43921

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Severity

Medium

Classification

CVE-2025-43921
CWE-863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Tags

Missing Update
Known Vulnerabilities