vBulletin Forumdisplay.PHP Remote Command Execution Vulnerability

Summary
The remote host is running vBulletin, a web based bulletin board system written in PHP. The remote version of this software is vulnerable to remote command execution flaw throught the script 'forumdisplay.php'. A malicious user could exploit this flaw to execute arbitrary command on the remote host with the privileges of the web server.
Solution
Upgrade vBulletin 3.0.4 or newer