model/modelstorage.py in the Tryton application framework (trytond)
before 2.4.0 for Python does not properly restrict access to the
Many2Many field in the relation model, which allows remote
authenticated users to modify the privileges of arbitrary users via a
(1) create, (2) write, (3) delete, or (4) copy rpc call.
Note:References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
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disclosed, or updated in CVE.
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