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3 vulnerabilities found for Mailman by GNU
CVE-2025-43920 (GCVE-0-2025-43920)
Vulnerability from cvelistv5 – Published: 2025-04-20 00:00 – Updated: 2025-04-28 13:44 Disputed
VLAI
EPSS
VEX
Summary
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.
Severity
5.4 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 14:36 UTC
CWE
- CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
mitre
CNA
References
Impacted products
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CVE-2025-43921 (GCVE-0-2025-43921)
Vulnerability from cvelistv5 – Published: 2025-04-20 00:00 – Updated: 2025-04-28 13:45 Disputed
VLAI
EPSS
VEX
Summary
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.
Severity
5.3 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 14:35 UTC
CWE
- CWE-863 - Incorrect Authorization
Assigner
mitre
CNA
References
Impacted products
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CVE-2025-43919 (GCVE-0-2025-43919)
Vulnerability from cvelistv5 – Published: 2025-04-20 00:00 – Updated: 2025-04-28 13:43 Disputed
VLAI
EPSS
VEX
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.
Severity
5.8 (Medium)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-21 14:39 UTC
CWE
- CWE-24 - Path Traversal: '../filedir'
Assigner
mitre
CNA
References
Impacted products
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