Apache Tomcat Penetration Testing Guide: CVEs, Endpoints, and Techniques
Last Updated: October 15, 2025 | For Red & Blue Teams 1. Introduction Apache Tomcat is the most widely used open-source Java Servlet container and web server for Java-based applications. Developed and maintained by the Apache Software Foundation, it implements several Java EE specifications including Java Servlet, JavaServer Pages (JSP), Java EL, and WebSocket. Due to its widespread adoption in enterprise environments, government systems, and cloud infrastructures, Tomcat is a frequent target during penetration tests and red team engagements. Despite its robustness, Tomcat's security posture heavily depends on proper configuration, version management, and operational hygiene. Common issues include exposed management interfaces, default credentials, outdated versions vulnerable to known exploits, and misconfigured file permissions. This guide provides a comprehensive, technically detailed resource for both offensive and defensive security professionals...