Skip to main content

Authorization Bypass Through User-Controlled Key

CVE-2020-26171

Medium
4.3/10

Summary

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.

  • LOW
  • NETWORK
  • LOW
  • UNCHANGED
  • NONE
  • LOW
  • NONE
  • NONE

CWE-639 - Authorization Bypass Through User-Controlled Key

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.

References

Advisory Timeline

  • Published