Apache Tomcat suffers from an insecure partial deploy after failed deploy vulnerability.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/85615/CVE-2009-2901.txt
Source: https://packetstormsecurity.com/files/85615/Apache-Tomcat-Insecure-Partial-Deploy-After-Failed-Undeploy.html