CVE-2017-3066 Adobe ColdFusion Deserialization
Attackers can execute arbitrary code on Adobe ColdFusion servers via a Java deserialization flaw in the Apache BlazeDS library.
- Exploited in the wild
- Since 24 Feb 2025
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-3066?
CVE-2017-3066 is a critical unsafe deserialization vulnerability in Adobe Coldfusion, published on 27 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-502
Which versions are affected by CVE-2017-3066?
It affects 1 product.
Products include Adobe Coldfusion.
How do I fix CVE-2017-3066?
No fix has been published for CVE-2017-3066 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 17 Mar 2025.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2017-3066 being exploited?
Yes. Attackers have exploited CVE-2017-3066 in the wild since at least 24 Feb 2025.
Public exploit code: 1 Exploit-DB entry and 2 proofs of concept on GitHub.
Other vulnerabilities in Adobe Coldfusion
- CVE-2026-48282 Adobe ColdFusion Path Traversal
- CVE-2023-38203 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2023-29300 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2023-26359 Adobe ColdFusion Deserialization of Untrusted Data
- CVE-2018-15961 Adobe ColdFusion Unrestricted File Upload
Sources
Also known as GHSA-7cc9-8vjg-gpp8.