IBM CICS TX Advanced Access Control Error Vulnerability

IBM CICS TX Advanced is a comprehensive, single transaction runtime package from IBM of America, Inc. It can provide a cloud-native deployment model for standalone applications. IBM CICS TX Advanced version 11.1 contains an access control error vulnerability that stems from a failure to set security attributes on authorization tokens or session cookies, which can be exploited by an attacker to obtain the http:// link by sending it to the user or planting it in a website the user visits to obtain the cookie value.