Adobe ColdFusion Deserialization Vulnerability
n/a — Adobe ColdFusion ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier
Adobe ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier have a Java deserialization vulnerability in the Apache BlazeDS library. Successful exploitation could lead to arbitrary code execution.
9.8
90.6%
Vector breakdown
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Published
- Apr 27, 2017
- Modified
- Jun 17, 2026
- Added to KEV
- Feb 24, 2025
- Federal patch due
- Mar 17, 2025
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
2 foundWeaponization
Public repositories whose name or description references CVE-2017-3066, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
References
How this class of flaw gets exploited
Frequently asked questions
What is CVE-2017-3066?
Adobe ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlier have a Java deserialization vulnerability in the Apache BlazeDS library. Successful exploitation could lead to arbitrary code execution.
How severe is CVE-2017-3066?
CVE-2017-3066 has a CVSS base score of 9.8 out of 10 (CVSS 3.1).
Is CVE-2017-3066 actively exploited in the wild?
Yes. CVE-2017-3066 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Feb 24, 2025, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2017-3066?
90.6% - meaning FIRST.org's EPSS model estimates a 90.6% probability this vulnerability will be exploited in the wild within 30 days (100% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2017-3066?
We found 2 public GitHub repositories referencing CVE-2017-3066, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2017-3066?
CVE-2017-3066 is classified under CWE-502 (CWE-502 Deserialization of Untrusted Data).
Cross-checked against
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