VULNERABILITY INTELLIGENCE

CVE-2025-43921

CVSS score5.3 MEDIUM
EPSS probability0.48%
CISA KEVNot currently listed
Published2025-04-20
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Description

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.

Weakness classification

  • cve@mitre.org: CWE-863
  • nvd@nist.gov: CWE-863

Primary references