In tangro Business Workflow before 1.18.1, the documentId of attachment uploads to /api/document/attachments/upload can be manipulated. By doing this, users can add attachments to workitems that do not belong to them.
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
Link | Tags |
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https://www.tangro.de/ | product |
https://blog.to.com/advisory-tangro-bwf-1-17-5-multiple-vulnerabilities/ | third party advisory exploit |