Security readout for executives and security teams
This is a critical remote code execution issue in older Adobe ColdFusion releases. An unauthenticated attacker could potentially run code on a vulnerable server through unsafe Java deserialization in Apache BlazeDS. Because CISA lists it as known exploited, exposed systems should be treated as urgent business risk. Exposure is most likely where affected ColdFusion versions are reachable over a network, especially public-facing application servers. The source bundle does not identify specific configurations, endpoints, or compensating controls, so teams should verify exact ColdFusion update levels rather than infer exposure from product presence alone. Treat this as an immediate remediation item for any affected ColdFusion system, especially if internet-facing. The combination of unauthenticated remote code execution, critical CVSS severity, public exploit reference, and CISA KEV status makes delay difficult to justify. Mitigation focus: Apply Adobe guidance and updates from APSB17-14.; Upgrade affected ColdFusion 2016, 11, or 10 installations beyond vulnerable update levels.; Prioritize externally reachable ColdFusion servers first..
Michael Williams reviewed this cited source version on .
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ATT&CK lookup starting points
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CWE-502: Code execution behavior lookup
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Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2017-3066 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- Yes
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CISA KEV status
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- 43993CVE reference · exploit, x_refsource_EXPLOIT-DB
- https://helpx.adobe.com/security/products/coldfusion/apsb17-14.htmlCVE reference · x_refsource_CONFIRM
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2017-3066CVE reference · government-resource
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Deserialization of Untrusted Data
Deserialization of Untrusted Data represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.