When adding a private file via the editor in Drupal 8.2.x before 8.2.7, the editor will not correctly check access for the file being attached, resulting in an access bypass.
https://www.drupal.org/SA-2017-001
http://www.securitytracker.com/id/1038058
http://www.securityfocus.com/bid/96919
Source: Mitre, NVD
Published: 2017-03-16
Updated: 2019-10-03
Base Score: 5
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: High