Important Updates on Spring4Shell Vulnerability

Arctic Wolf describes the Spring4Shell (CVE-2022-22965) remote code execution vulnerability affecting Spring Framework versions (notably 5.3.0–5.3.17 and 5.2.0–5.2.19) when running JDK 9+, deployed as WAR on Apache Tomcat, confirms PoC exploitability, releases an open-source Spring4Shell Deep Scan detection tool, and provides explicit upgrade and patching recommendations for Spring Framework and Spring Cloud Function.