The Security component in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.35 and 7.x before 7.0.0.15, when the Tivoli Integrated Portal / embedded WebSphere Application Server (TIP/eWAS) framework is used, does not properly delete AuthCache entries upon a logout, which might allow remote attackers to access the server by leveraging an unattended workstation.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.