Serialized-object interfaces in certain IBM analytics, business solutions, cognitive, IT infrastructure, and mobile and social products allow remote attackers to execute arbitrary commands via a crafted serialized Java object, related to the InvokerTransformer class in the Apache Commons Collections library.

IBM Tivoli Common Reporting (TCR) 2.1 before IF14, 2.1.1 before IF22, 2.1.1.2 before IF9, 3.1.0.0 through 3.1.2 as used in Cognos Business Intelligence before 10.2 IF16, and 3.1.2.1 as used in Cognos Business Intelligence before 10.2.1.1 IF12 preserves user permissions across group-add and group-remove operations, which allows local users to bypass intended access restrictions in opportunistic circumstances by leveraging administrative changes to group membership.

IBM Tivoli Common Reporting (TCR) 2.1 before IF14, 2.1.1 before IF22, 2.1.1.2 before IF9, 3.1.0.0 through 3.1.2 as used in Cognos Business Intelligence before 10.2 IF16, and 3.1.2.1 as used in Cognos Business Intelligence before 10.2.1.1 IF12 allows local users to bypass the Cognos Application Firewall (CAF) protection mechanism via leading whitespace in the BackURL field.