The server in Adaptive Computing Moab before 7.2.9 and 8 before 8.0.0 does not properly validate the message owner matches the submitting user, which allows remote authenticated users to impersonate arbitrary users via the UserId and Owner tags.
Improper Input Validation The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly.