Home › Intelligence › Brief
VULNERABILITY BRIEF🔴 Critical Vulnerability

Critical Remote Code Execution Vulnerability (CVE-2017-3066) in Adobe ColdFusion Deserialization

Adobe ColdFusion’s BlazeDS library contains a deserialization flaw (CVE‑2017‑3066) that enables unauthenticated remote code execution. The vulnerability is actively exploited and scores 9.8 CVSS. Organizations must prove they have patched and can evidence remediation to satisfy audit requirements.

LiveThreat™ Intelligence · 📅 October 07, 2026· 📰 nvd.nist.gov
🔴
Severity
Critical
VU
Type
Vulnerability
🎯
Confidence
High
🏢
Affected
1 sector(s)
✅
Actions
3 recommended
📰
Source
nvd.nist.gov

Adobe ColdFusion Deserialization Vulnerability (CVE‑2017‑3066) Enables Remote Code Execution

What It Is – Adobe ColdFusion’s Apache BlazeDS component contains an insecure deserialization flaw that allows an unauthenticated attacker to execute arbitrary code on the host. The issue is tracked as CVE‑2017‑3066 and carries a CVSS 3.1 base score of 9.8 (Critical).

Exploitability – Public proof‑of‑concept exploits have been released and the vulnerability is actively exploited in the wild.

Affected Products – All Adobe ColdFusion installations that include the vulnerable BlazeDS library and have not applied the Adobe‑released security patch (versions prior to the December 2017 update).

Why It Matters for Trust & Control Assurance

  • Vulnerability Management – The flaw underscores the need for continuous discovery, timely patching, and auditable evidence that remediation actions have been performed.
  • Configuration Assurance – Unpatched ColdFusion instances break the “secure configuration” control that auditors expect across frameworks such as NIST CSF 2.0.
  • Enterprise Buyer Expectations – Modern procurement contracts increasingly require demonstrable, up‑to‑date evidence of remediation for high‑severity flaws before a vendor can be engaged.

Recommended Actions

  • Inventory every ColdFusion server in scope and verify the installed version.
  • Apply Adobe’s December 2017 security update (or later) to all affected instances immediately.
  • Deploy an automated vulnerability‑scanning tool that continuously monitors for unpatched ColdFusion components and captures remediation evidence for audit purposes.
  • Document the patch‑deployment process in your change‑management system to provide a defensible audit trail.

Source: CISA KEV – CVE‑2017‑3066

📰 Original Source
https://nvd.nist.gov/vuln/detail/CVE-2017-3066 ↗

This LiveThreat Intelligence Brief is an independent analysis. Read the original reporting at the link above.

From the Verisq platform · Trust Operations

Every gap like this maps to a control you can evidence.

The Verisq AI Trust Operations platform maps incidents to your control framework and collects the evidence continuously — so your Trust Center shows proof, not promises, when a buyer or auditor asks.

Explore the Verisq AI Trust Operations platform →