CVE-2009-4151: Bestpractical Rt

Medium severity, CVSS 5.8. EPSS: 1.8% chance of exploitation in the next 30 days.

Session fixation vulnerability in html/Elements/SetupSessionCookie in Best Practical Solutions RT 3.0.0 through 3.6.9 and 3.8.x through 3.8.5 allows remote attackers to hijack web sessions by setting the session identifier via a manipulation that leverages "HTTP access to the RT server," a related issue to CVE-2009-3585.

Affected products

• Bestpractical Rt: version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 3.0.4 only; version 3.0.5 only; version 3.0.6 only; …

Published 2009-12-02. Last modified 2026-06-16.