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Authorization Bypass Through User-Controlled Key

CVE-2020-8154

High
7.7/10

Summary

An Insecure direct object reference vulnerability in Nextcloud Server 18.0.2 allowed an attacker to remote wipe devices of other users when sending a malicious request directly to the endpoint.

  • LOW
  • NETWORK
  • NONE
  • CHANGED
  • NONE
  • LOW
  • NONE
  • HIGH

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