The administrative console in IBM WebSphere Application Server (WAS) 6.1 before 6.1.0.23 and 7.0 before 7.0.0.3 allows attackers to hijack user sessions in "specific scenarios" related to a forced logout.
https://exchange.xforce.ibmcloud.com/vulnerabilities/49499
http://www.securityfocus.com/bid/34501
http://www-01.ibm.com/support/docview.wss?uid=swg27014463
http://www-01.ibm.com/support/docview.wss?uid=swg27007951