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Incorrect Default Permissions

CVE-2021-41166

Medium
5/10

Summary

The Nextcloud Android app is the Android client for Nextcloud, a self-hosted productivity platform. An issue in versions prior to 3.17.1 may lead to sensitive information disclosure. An unauthorized app that does not have the otherwise required `MANAGE_DOCUMENTS` permission may view image thumbnails for images it does not have permission to view. Version 3.17.1 contains a patch. There are no known workarounds.

  • LOW
  • NETWORK
  • NONE
  • NONE
  • PARTIAL
  • NONE

CWE-276 - Incorrect Default Permissions

During installation, installed file permissions are set to allow anyone to modify those files.

References

Advisory Timeline

  • Published