Nix through 2.3 allows local users to gain access to an arbitrary user's account because the parent directory of the user-profile directories is world writable.
http://www.openwall.com/lists/oss-security/2019/10/17/3
http://www.openwall.com/lists/oss-security/2019/10/10/1
http://www.openwall.com/lists/oss-security/2019/10/09/4
Source: Mitre, NVD
Published: 2019-10-09
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: 7.8
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High
EPSS: 0.00049