CVE-2017-3066: Adobe ColdFusion Deserialization Vulnerability

Advisory generated from the CVE record, CISA, Exploit Observer and VEDAS: what it is, whether it is exploited, who is affected, and how to fix and detect it.

Generated by VEDAS. Scores as of 2026-11-01 19:19 UTC. Rebuilt every few hours from cve-scores, CISA KEV and vedas-signatures. How this works and its limits.

What it is

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.

Description quoted from the CVE record (assigned by adobe, published 2017-04-27).

Weakness: CWE-502 Deserialization of Untrusted Data

How it can be exploited

Exploitable over the network with low attack complexity needing no privileges and no user interaction. Impact: 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

CISA assessment (SSVC): CISA assesses exploitation as active. Automatable: yes. Technical impact: total.

On CISA KEV since
2025-02-24
US federal deadline
2025-03-17
Ransomware use
Not known

Public exploit evidence (Exploit Observer)

Also known as: BDU:2017-01194, CNNVD-201704-1418, CNVD-2017-06457, EDB-43993, EUVD-2017-12207, GHSA-7cc9-8vjg-gpp8

VEDAS cluster: VEDAS:BOLDMOONBEAM

Exploit Observer links 5 pieces of public exploit code or detection modules that name this CVE or one of its aliases.

Exploit code and modules (5)

Code that names this CVE. A repository can be a working exploit, a scanner, a fake or malware; read it before running anything.

Vulnerability databases and vendor advisories (6)

Catalogue entries, not exploit evidence.

33 more references returned by Exploit Observer did not name this CVE or an alias, so they are left out.

VEDAS data as of 2026-11-01T17:12 UTC; fetched 2026-11-02.

Live scores

EPSS
0.906
very likely to be attacked soon
VEDAS
0.983
strong exploit evidence
On CISA KEV
Yes, since 2025-02-24
Detection rule
Suricata
EPSS (chance of attack)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.1CVE-2017-3066 EPSS over time2025-042026-11-01
VEDAS (exploit evidence)
10No cve-scores data 2026-02-22 to 2026-08-08no data0.9CVE-2017-3066 VEDAS over time2025-042026-11-01

Thin horizontal line: the “likely” (EPSS 0.10) or “strong” (VEDAS 0.90) threshold. Shaded “no data” areas are periods when cve-scores did not publish.

Who is affected

ProductAffectedNot affected
Adobe ColdFusion ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlierversion Adobe ColdFusion ColdFusion 2016 Update 3 and earlier, ColdFusion 11 update 11 and earlier, ColdFusion 10 Update 22 and earlierNot stated

Version ranges exactly as the CVE record states them. “Before X” means X is the first fixed version.

Exploit Observer also maps it to: adobe coldfusion, adobe_systems_inc. coldfusion.

How to fix it

CISA required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Vendor guidance:

How to detect it

Suricata rules (network detection)

1 rule that alert on traffic matching this exploit: VEDAS CVE-2017-3066 Adobe ColdFusion BlazeDS - Deserialization RCE Attempt. Add them to your Suricata rule set and reload.

Show the rules
suricata
alert http $EXTERNAL_NET any -> $HTTP_SERVERS $HTTP_PORTS (msg:"VEDAS CVE-2017-3066 Adobe ColdFusion BlazeDS - Deserialization RCE Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/flex2gateway"; nocase; fast_pattern; http.request_body; content:"|ac ed 00 05|"; classtype:attempted-admin; reference:cve,CVE-2017-3066; reference:url,https://www.exploit.observer/?keyword=CVE-2017-3066&match=exact; reference:url,https://subdomain.center/?engine=ammonites&keyword=coldfusion&match=exact; sid:1050601; rev:1;)

CVE-2017-3066.rules on GitHub

References

Exploits and technical analysis

  • 43993 (exploit, x_refsource_EXPLOIT-DB)

Government sources

Other references

Other databases

Where this comes from

This advisory is generated automatically by VEDAS from: CVE.org record, CISA KEV, cve-scores (EPSS and VEDAS), Exploit Observer, vedas-signatures. Text in quotes is reproduced from the source; everything else is a fixed template filled with source fields. Nothing here is written by a language model. Check the vendor advisory before acting, and read how VEDAS and Exploit Observer work, and their limits.