251 Amazon-Hosted IPs Used in Exploit Scan Targeting ColdFusion, Struts, and Elasticsearch
May 28, 2025
Network Security / Vulnerability
Cybersecurity researchers have disclosed details of a coordinated cloud-based scanning activity that targeted 75 distinct "exposure points" earlier this month. The activity, observed by GreyNoise on May 8, 2025, involved as many as 251 malicious IP addresses that are all geolocated to Japan and hosted by Amazon. "These IPs triggered 75 distinct behaviors, including CVE exploits, misconfiguration probes, and recon activity," the threat intelligence firm said . "All IPs were silent before and after the surge, indicating temporary infrastructure rental for a single operation." The scanning efforts have been found to have targeted a wide array of technologies from Adobe ColdFusion, Apache Struts, Apache Tomcat, Drupal, Elasticsearch, and Oracle WebLogic, among others. The opportunistic operation ranged from exploitation attempts for known CVEs to probes for misconfigurations and other weak points in web infrastructure, indicating that the threat actors ...