An Access Bypass issue exists in OTRS Help Desk before 3.2.4, 3.1.14, and 3.0.19, OTRS ITSM before 3.2.3, 3.1.8, and 3.0.7, and FAQ before 2.2.3, 2.1.4, and 2.0.8.
The GenericInterface in OTRS Help Desk 3.2.x before 3.2.17, 3.3.x before 3.3.11, and 4.0.x before 4.0.3 allows remote authenticated users to access and modify arbitrary tickets via unspecified vectors.