CVE-2009-4509: Vsecurity Tandberg Video Communication Server

High severity, CVSS 10.0. EPSS: 4.5% chance of exploitation in the next 30 days.

The administrative web console on the TANDBERG Video Communication Server (VCS) before X4.3 uses predictable session cookies in (1) tandberg/web/lib/secure.php and (2) tandberg/web/user/lib/secure.php, which makes it easier for remote attackers to bypass authentication, and execute arbitrary code by loading a custom software update, via a crafted "Cookie: tandberg_login=" HTTP header.

Affected products

• Vsecurity Tandberg Video Communication Server: up to and including x4.2.1; version x1.0.0 only; version x1.1.0 only; version x1.2.0 only; version x2.0.0 only; version x2.1.0 only; …

Published 2010-04-13. Last modified 2026-06-16.