Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L6BO6P6MP2MOWA6PZRXX32PLWPXN5O4S/
https://github.com/nextcloud/server/pull/21037
https://nextcloud.com/security/advisory/?id=NC-SA-2021-006
https://hackerone.com/reports/867164
https://github.com/nextcloud/server/issues/17439
Source: Mitre, NVD
Published: 2021-03-03
Updated: 2026-06-17
Base Score: 4.6
Vector: CVSS2#AV:L/AC:L/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 6.7
Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS: 0.00245