IBM Maximo Asset Management 6.1 through 6.5, 7.1 through 7.1.1.13, and 7.5 through 7.5.0.6; Maximo Asset Management 7.5.0 through 7.5.0.3 and 7.5.1 through 7.5.1.2 for SmartCloud Control Desk; and Maximo Asset Management 6.2.8, 7.1, and 7.2 for Tivoli IT Asset Management for IT and certain other products allow remote authenticated users to bypass intended write-access restrictions on calendar entries via unspecified vectors.