Drupal 8 before 8.2.8 and 8.3 before 8.3.1 allows critical access bypass by authenticated users if the RESTful Web Services (rest) module is enabled and the site allows PATCH requests.
https://www.drupal.org/SA-CORE-2017-002
http://www.securitytracker.com/id/1038371
http://www.securityfocus.com/bid/97941
Source: Mitre, NVD
Published: 2017-04-20
Updated: 2019-10-03
Base Score: 6
Vector: CVSS2#AV:N/AC:M/Au:S/C:P/I:P/A:P
Severity: Medium
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Severity: High