Adobe ColdFusion - RCE (CVE-2017-3066)
8Exploiting 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.
Based on data from the CrowdSec network, nearly all observed exploitation of CVE-2017-3066 is fully opportunistic, with attackers indiscriminately scanning the entire internet. These attacks are automated and lack any form of target selection or reconnaissance. Data from the CrowdSec community also indicates a gradual decrease in attacks targeting CVE-2017-3066. While still present in the wild, exploitation levels have dropped noticeably week-over-week. This may signal that the vulnerability is becoming less relevant or that defenses are improving fast enough for attackers to lose interest.
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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