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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
CRITICAL 9.8
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.

Sources and references

Verified primary and authoritative sources

  • CVE-2023-29300 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2023-29300

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2023-29300 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2023-29300

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.