IBM Sterling File Gateway code issue vulnerability

IBM Sterling File Gateway is an application for transferring files between internal and external partners, allowing you to more securely and reliably transfer files with trading partners. IBM Sterling File Gateway versions 2.2.0.0-5.2.6.5_3, 6.0.0.0-6.0.3.4, 6.1 A security vulnerability exists in versions .0.0-6.1.0.1. The vulnerability stems from the product not invalidating sessions after logging out. An attacker could exploit the vulnerability to emulate other users on the system.