On January 8, 2024, CISA added CVE-2023-29300 (Adobe ColdFusion) to its Known Exploited Vulnerabilities (KEV) catalog [1]. The catalog lists the vulnerability as "Adobe ColdFusion Deserialization of Untrusted Data Vulnerability" [1]. CISA requires organizations to apply mitigations per vendor instructions, as detailed in the official directive below [1].
Backfill: this event became public on Jan 8, 2024 and we added it on Nov 8, 2026. It is not a new event.
CISA Adds Adobe ColdFusion Vulnerability CVE-2023-29300 to Known Exploited Vulnerabilities Catalog
1 min read
- Disclosed
- Jan 8, 2024
- Published
- Nov 8, 2026
- Last updated
- Nov 7, 2026
- CVSS basis
- Our assessment
- 100%, higher than 100% of CVEs
- Exploitation and patch status
- ExploitedKEV
- Attack vector
- Vulnerability status
- Actor type
- Motivation
On this page
30-second summary
What happened
Who is affected
Industries mainly affected: Government, Cross-industry
What to do nowOur advice
CISA requires organizations to apply mitigations per vendor instructions; see the body text for specific requirements [1].
Timeline
Technical details
CISA KEV Listing
On 2024-01-08, CISA added CVE-2023-29300 affecting Adobe ColdFusion to the catalog [1].
Original Technical Description
Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for code execution. [1]
Required Action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. [1]
References
Official / primary2
- [1]
“Adobe ColdFusion contains a deserialization of untrusted data vulnerability that allows for code execution.”
- [2]
This site aggregates public information and is not security consulting advice. Test remediation steps before applying.