Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders.
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00022.html
http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00019.html
https://nextcloud.com/security/advisory/?id=NC-SA-2019-015
https://hackerone.com/reports/508493
Source: Mitre, NVD
Published: 2020-02-04
Updated: 2022-01-01
Base Score: 4
Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:P/A:N
Severity: Medium
Base Score: 4.9
Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:N
EPSS: 0.00315