PatchSiren cyber security CVE debrief
CVE-2023-29300 Adobe CVE debrief
CVE-2023-29300 is an Adobe ColdFusion deserialization of untrusted data vulnerability that CISA placed in the Known Exploited Vulnerabilities catalog on 2024-01-08. CISA also records known ransomware campaign use as Known. Organizations running ColdFusion should treat this as a high-priority remediation item and follow Adobe's vendor guidance, or discontinue use if mitigations are not available.
- Vendor
- Adobe
- Product
- ColdFusion
- CVSS
- Unknown
- CISA KEV
- Listed
- Original CVE published
- 2024-01-08
- Original CVE updated
- 2024-01-08
- Advisory published
- 2024-01-08
- Advisory updated
- 2024-01-08
Who should care
Administrators and security teams responsible for Adobe ColdFusion, vulnerability and patch management teams, and incident response teams monitoring for exploitation activity.
Technical summary
The issue is a deserialization weakness in Adobe ColdFusion involving untrusted data handling. CISA identifies it as a known exploited vulnerability and records known ransomware campaign use. The vendor guidance referenced by CISA should be applied promptly on affected systems.
Defensive priority
Urgent. KEV inclusion plus known ransomware campaign use means this should be prioritized ahead of routine patching, with remediation completed by the CISA due date where possible.
Recommended defensive actions
- Identify whether any Adobe ColdFusion instances are in use and whether they are affected.
- Apply Adobe mitigations per vendor instructions referenced by CISA.
- If mitigations are unavailable, discontinue use of the product.
- Prioritize remediation by 2024-01-29, the CISA KEV due date.
- Monitor affected environments for suspicious activity and validate incident response readiness.
Evidence notes
This debrief is based on the official CVE/CISA/NVD links supplied in the corpus. The supplied corpus does not include CVSS scoring or deeper exploit mechanics. CISA metadata records dateAdded as 2024-01-08, dueDate as 2024-01-29, and knownRansomwareCampaignUse as Known.
Official resources
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CVE-2023-29300 CVE record
CVE.org
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CVE-2023-29300 NVD detail
NVD
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CISA Known Exploited Vulnerabilities catalog
CISA - Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
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Source item URL
cisa_kev
CVE published and modified on 2024-01-08; CISA added the issue to KEV the same day and set a remediation due date of 2024-01-29.