Vulnerability Monitor

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CVE-2025-43921


GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the /mailman/create endpoint. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.


Published

2025-04-20T01:15:46.043

Last Modified

2025-04-28T14:15:22.477

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

Weaknesses
  • Type: Secondary
    CWE-863
  • Type: Primary
    CWE-863

Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application gnu mailman ≤ 2.1.39 Yes

References