GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line. 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), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line. GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line. 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 16:15:00 +0000

Type Values Removed Values Added
Description GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line. GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows unauthenticated attackers to execute arbitrary OS commands via shell metacharacters in an email Subject line.

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

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', '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 execute arbitrary OS commands via shell metacharacters in an email Subject line.
Weaknesses CWE-78
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2025-04-20T00:00:00.000Z

Updated: 2025-04-28T13:44:29.998Z

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

Link: CVE-2025-43920

cve-icon Vulnrichment

Updated: 2025-04-21T14:37:02.012Z

cve-icon NVD

Status : Modified

Published: 2025-04-20T01:15:45.867

Modified: 2025-04-28T14:15:22.323

Link: CVE-2025-43920

cve-icon Redhat

No data.