CVE-2021-22906

medium

Description

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.

References

https://hackerone.com/reports/1189174

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-3829-45wm-ww36

Details

Source: Mitre, NVD

Published: 2021-06-11

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 4

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:P

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H