CVE-2025-43919
5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Summary
GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../ directory traversal at /mailman/private/mailman (aka the private archive authentication endpoint) via the username parameter. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| GNU | Mailman | 2.1.39 | affected |
Weaknesses
- CWE-24: CWE-24 Path Traversal: '../filedir'
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: poc
- Automatable: yes
- Technical Impact: partial
References
- https://code.launchpad.net/~mailman-coders/mailman/2.1
- https://github.com/0NYX-MY7H/CVE-2025-43919
- https://github.com/cpanel/mailman2-python3
- https://www.openwall.com/lists/oss-security/2025/04/21/6
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