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PatchSiren cyber security CVE debrief

CVE-2024-39929 cPanel CVE debrief

cPanel’s official guidance indicates that CVE-2024-39929 has a patch available for cpanel-exim. According to the vendor advisory published on 2024-08-13, the issue was fixed in cpanel-exim versions 4.96.2-3.cp108 and 4.97.1-3.cp118. If your environment uses cPanel/WHM with an older cpanel-exim build, it should be treated as needing update review.

Vendor
cPanel
Product
cpanel-exim
CVSS
Unknown
CISA KEV
Not listed in stored evidence
Original CVE published
2024-08-13
Original CVE updated
2024-12-18
Advisory published
2024-08-13
Advisory updated
2024-12-18

Who should care

cPanel/WHM administrators and operators who manage systems using cpanel-exim, especially environments running a version older than 4.96.2-3.cp108 or 4.97.1-3.cp118.

Technical summary

The only vendor-confirmed technical detail in the supplied source is that the Exim-related issue identified as CVE-2024-39929 was patched in cpanel-exim 4.96.2-3.cp108 and 4.97.1-3.cp118. The source does not provide root-cause details, exploitability notes, or CVSS scoring, so validation should focus on installed package versions and vendor remediation guidance.

Defensive priority

Prioritize this as a patch-validation item for any cPanel/WHM host running cpanel-exim. The vendor has provided fixed builds, so systems on earlier versions should be updated and verified promptly.

Recommended defensive actions

  • Check the installed cpanel-exim version on each cPanel/WHM system.
  • Update to cpanel-exim 4.96.2-3.cp108 or 4.97.1-3.cp118, as appropriate for the release train in use.
  • Verify the package version after maintenance to confirm the fix is present.
  • Review the vendor advisory for any environment-specific guidance before scheduling the update.
  • Document affected hosts and confirm remediation during routine patch management.

Evidence notes

This debrief is based only on the vendor’s official cPanel support article titled "Is there a patch for the Exim vulnerability CVE-2024-39929?" The article explicitly states the patched versions. No CVSS score, exploit details, or additional impact language were provided in the supplied source corpus.

Official resources

Vendor advisory published on 2024-08-13, the same date reflected in the supplied CVE/source timeline. The supplied source was last edited on 2024-12-18.