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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.

Sources and references

Verified primary and authoritative sources

  • CVE-2024-39929 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2024-39929

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2024-39929 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2024-39929

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

  • Vendor advisory source

    Unverified legacy reference

    URL: https://support.cpanel.net/hc/en-us/articles/25604019739415-Is-there-a-patch-for-the-Exim-vulnerability-CVE-2024-39929

    cpanel_changelog_rss

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.