Vulnerabilities > CVE-2021-22906 - Authorization Bypass Through User-Controlled Key vulnerability in Nextcloud End-To-End Encryption
Attack vector
NETWORK Attack complexity
LOW Privileges required
LOW Confidentiality impact
NONE Integrity impact
NONE Availability impact
HIGH Summary
Nextcloud End-to-End Encryption before 1.5.3, 1.6.3 and 1.7.1 suffers from a denial of service vulnerability due to permitting any authenticated users to lock files of other users.