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.
Published: 2025-04-20
Score: 5.3 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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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.
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.

Weaknesses