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5.4 Medium

CVE-2025-43920 GNU Mailman 2.1.39, as bundled in cPanel (and WHM), in certain external archiver configurations, allows…

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. NOTE: multiple third parties report that they are unable to reproduce this, regardless of whether cPanel or WHM is used.

Affected products and versions

Product Affected versions Fixed in
Mailman 2.1.39 No fix stated

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Mailman

The 3 CVEs of Mailman →
CVE-2025-43919 GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to read arbitrary files via ../… 5.8 Medium CVE-2025-43921 GNU Mailman 2.1.39, as bundled in cPanel (and WHM), allows unauthenticated attackers to create lists via the… 5.3 Medium
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