Adobe ColdFusion - RCE (CVE-2017-3066)
7Exploiting IPs reported
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.
CrowdSec analysis
CVE-2017-3066 is a critical Java deserialization vulnerability in the Apache BlazeDS library used by Adobe ColdFusion, which allows attackers to execute arbitrary code on vulnerable servers.
CrowdSec has been tracking this vulnerability and its exploits since 10th of March 2025.
Data from the CrowdSec community indicates that exploitation of CVE-2017-3066 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. Additionally, according to week-over-week analysis by CrowdSec, exploitation of CVE-2017-3066 is surging. Attack volumes are spiking well above historical norms, indicating widespread and escalating interest from threat actors. CVE-2017-3066 is currently experiencing high visibility and active exploitation across the internet.
Attack attempts typically leverage requests to URLs containing /flex2gateway/amf.
Exploitation
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Common Weakness Enumeration (CWE)
Protection
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Blocklist
With our advanced worldwide network detection, CrowdSec can provide a list of IPs known for exploiting the vulnerability.
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