Adobe ColdFusion Deserialization of Untrusted Data Vulnerability

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• cpe adobe/coldfusion11.0
• vendor Adobe ColdFusionversion unspecified

How to fix CVE-2018-4939

• Recommended remediation

  Apply updates per vendor instructions. CISA due date May 3, 2022.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

1. May 19, 2018 · Catalog

   Detected

   Adobe ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions have an exploitable Deserialization of Untrusted Data vulnerability. Successful exploitation could lead to arbitrary code execution.

2. Nov 3, 2021 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. May 3, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   Adobe ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions have an exploitable Deserialization of Untrusted Data vulnerability. Successful exploitation could lead to arbitrary code execution.

Sources

• CISA KEVConfirmed exploitationCVE-2018-4939

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

  cisa.gov
• CVE.orgVulnerability recordCVE-2018-4939

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2018-4939

  30-day exploitation probability 62.0%

  first.org
• NIST NVDVulnerability recordCVE-2018-4939

  Adobe ColdFusion Update 5 and earlier versions, ColdFusion 11 Update 13 and earlier versions have an exploitable Deserialization of Untrusted Data vulnerability. Successful exploitation could lead to arbitrary code execution.

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2018-4939

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

  vulncheck.com

References

• Third Party Advisory · securityfocus.com
• VulnCheck exploitation evidence · cisa.gov
• Vendor Advisory · helpx.adobe.com
• VulnCheck exploitation evidence · media.defense.gov
• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · us-cert.cisa.gov
• Third Party Advisory · cisa.gov
• VulnCheck exploitation evidence · cisa.gov

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.