Adobe ColdFusion - RCE (CVE-2017-3066)
29Exploiting 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. CrowdSec data also reveals a clear uptick in attacks involving CVE-2017-3066 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.
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
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