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PatchSiren cyber security CVE debrief

CVE-2018-15961 Adobe CVE debrief

CVE-2018-15961 is an Adobe ColdFusion unrestricted file upload vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. For defenders, the key signal is confirmed known exploitation: any exposed or unpatched ColdFusion deployment should be treated as a priority remediation item and updated per Adobe’s guidance.

Vendor
Adobe
Product
ColdFusion
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Adobe ColdFusion administrators, application owners, vulnerability management teams, and incident responders responsible for internet-facing or externally reachable ColdFusion servers.

Technical summary

The supplied record identifies the issue as an unrestricted file upload vulnerability in Adobe ColdFusion. CISA’s KEV entry marks it as a known exploited vulnerability and directs organizations to apply updates per vendor instructions. No additional technical specifics were provided in the supplied corpus beyond the vulnerability class and KEV status.

Defensive priority

High. Known exploited vulnerabilities should be remediated as quickly as possible, especially on internet-facing systems or any ColdFusion instance that can accept file uploads.

Recommended defensive actions

  • Apply Adobe updates per vendor instructions for affected ColdFusion deployments.
  • Inventory all ColdFusion instances, including test and legacy servers, to confirm exposure and patch status.
  • Prioritize remediation of any internet-facing or externally reachable ColdFusion systems.
  • Review upload-related features, permissions, and access controls to reduce unnecessary file upload exposure until systems are updated.
  • Validate that vulnerability management and exception tracking reflect the KEV due date and current remediation state.

Evidence notes

Source evidence is limited to the CISA KEV entry and linked official vulnerability records. The supplied data states: vendor/project Adobe ColdFusion, vulnerability name 'Adobe ColdFusion Unrestricted File Upload Vulnerability,' date added 2021-11-03, due date 2022-05-03, and required action 'Apply updates per vendor instructions.' No CVSS score was supplied.

Official resources

Publicly documented through the CVE record and CISA’s Known Exploited Vulnerabilities catalog. The supplied corpus does not include separate vendor advisory details beyond the official record and KEV guidance.