system
Describe <CVE-2009-4511>.
user
What is <CVE-2009-4511>?
assistant
Multiple directory traversal vulnerabilities in the web administration interface on the TANDBERG Video Communication Server (VCS) before X5.1 allow remote authenticated users to read arbitrary files via a .. (dot dot) in the page parameter to (1) helppage.php or (2) user/helppage.php..