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PatchSiren cyber security CVE debrief

CVE-2022-26352 dotCMS CVE debrief

CVE-2022-26352 is a dotCMS unrestricted file upload vulnerability that CISA placed in its Known Exploited Vulnerabilities catalog on 2022-08-25. Because CISA also marked it as having known ransomware campaign use, organizations running dotCMS should treat this as an urgent remediation item and follow vendor update guidance without delay.

Vendor
dotCMS
Product
dotCMS
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2022-08-25
Original CVE updated
2022-08-25
Advisory published
2022-08-25
Advisory updated
2022-08-25

Who should care

Security and IT teams responsible for dotCMS deployments, especially internet-facing instances, patch management owners, and incident response teams tracking KEV-listed vulnerabilities.

Technical summary

The issue is identified by CISA as an unrestricted upload of file vulnerability in dotCMS. The available official records in this corpus do not provide deeper exploit mechanics, but the KEV inclusion indicates real-world exploitation, and the catalog entry notes known ransomware campaign use. CISA’s record also references the vendor security advisory SI-62 and the NVD entry for additional remediation context.

Defensive priority

High urgency. CISA added the CVE to the KEV catalog on the same date it was published in the supplied timeline, with a remediation due date of 2022-09-15. Known ransomware campaign use increases the defensive priority further.

Recommended defensive actions

  • Apply dotCMS updates or mitigations according to the vendor’s security advisory SI-62.
  • Prioritize patching any internet-facing dotCMS instances first.
  • Verify whether any unexpected files were uploaded to dotCMS-managed locations and review related logs for suspicious activity.
  • If patching is delayed, reduce exposure by restricting access to dotCMS administrative and upload-related functionality as much as operationally possible, consistent with vendor guidance.

Evidence notes

Official and supplied-source evidence links this issue to CISA KEV, which lists dotCMS, the product name dotCMS, dateAdded 2022-08-25, dueDate 2022-09-15, and knownRansomwareCampaignUse as Known. The KEV notes reference https://www.dotcms.com/security/SI-62 and the NVD record for CVE-2022-26352. The supplied CVE published and modified dates are both 2022-08-25.

Official resources

This debrief is based on the supplied CISA KEV source record and official vulnerability resources only. The CVE was published and modified on 2022-08-25 in the provided timeline, which is also the KEV date added.