Vulnerabilities/Adobe/CVE-2023-29300

CVE-2023-29300: Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

CISA KEV entry · Last checked 30 Oct 2026, 12:10 UTC

Exploitation confirmedRansomware use knownFix: Unknown

CVSS 3.1 · NVD9.8Critical
EPSS100.0%100th percentile · 29 Oct 2026
CISA KEVListedAdded 8 Jan 2024

Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for code execution.

Recommended action

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA due date 29 Jan 2024 · CWE-502

Vendor advisory ↗CISA KEV entry ↗

Am I affected?

ProductAffected versionsFixed in
ColdFusionup to 2023.0.0.330468Unknown

No source states a fixed version. Check the vendor advisory below.

Before you patch

Restart

See vendor guidance.

Known issues

Check release notes.

Verification

Confirm installed version.

Timeline

  • 8 Jan 2024 · Added to CISA KEV
  • 29 Jan 2024 · CISA due date

References

Sources checked
CISA KEV30 Oct 2026, 12:10 UTC
CVE List v530 Oct 2026, 12:10 UTC
NVD30 Oct 2026, 12:10 UTC
FIRST EPSS30 Oct 2026, 12:11 UTC

Data from CISA, MITRE, NVD and FIRST. Sources and licences.