Description
Nextcloud server is an open source, self hosted personal cloud. In affected versions logging of exceptions may have resulted in logging potentially sensitive key material for the Nextcloud Encryption-at-Rest functionality. It is recommended that the Nextcloud Server is upgraded to 20.0.12, 21.0.4 or 22.1.0. If upgrading is not an option users are advised to disable system logging to resolve this issue until such time that an upgrade can be performed Note that ff you do not use the Encryption-at-Rest functionality of Nextcloud you are not affected by this bug.
References (4)
Core 4
Core References
Third Party Advisory x_refsource_confirm
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-mcpf-v65v-359h
Third Party Advisory x_refsource_misc
https://github.com/nextcloud/server/pull/28082
Permissions Required, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/1251776
Third Party Advisory vendor-advisory
x_refsource_gentoo
https://security.gentoo.org/glsa/202208-17
Scores
CVSS v3
5.5
EPSS
0.0006
EPSS Percentile
19.2%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-532
Status
published
Products (1)
nextcloud/nextcloud_server
< 20.0.12
Published
Sep 07, 2021
Tracked Since
Feb 18, 2026