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.
Advisories
Source ID Title
EUVD EUVD EUVD-2025-12590 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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 28 Apr 2025 14:00:00 +0000

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

Thu, 24 Apr 2025 16:45:00 +0000

Type Values Removed Values Added
First Time appeared Gnu
Gnu mailman
CPEs cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
Vendors & Products Gnu
Gnu mailman

Mon, 21 Apr 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Sun, 20 Apr 2025 00:45:00 +0000

Type Values Removed Values Added
Description GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the /mailman/create endpoint.
Weaknesses CWE-863
References
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-04-28T13:45:41.386Z

Reserved: 2025-04-19T00:00:00.000Z

Link: CVE-2025-43921

cve-icon Vulnrichment

Updated: 2025-04-21T14:35:43.228Z

cve-icon NVD

Status : Modified

Published: 2025-04-20T01:15:46.043

Modified: 2025-04-28T14:15:22.477

Link: CVE-2025-43921

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.