Tomcat is a very popular ‘web container’ software. This box teaches one of the vulnerabilities that can be used for RCE using Tomcat’s manager.
This machine is more about teaching a single exploit rather than usual HTB process. It is still fun and enjoyable!
Lame is the oldest machine on HackTheBox. It is super-easy as it requires only basic enumeration followed by a simple exploit that instantly gives you a root shell.