GitLab EE/CE 8.11 through 12.9.1 allows blocked users to pull/push docker images.
https://about.gitlab.com/releases/categories/releases/
https://about.gitlab.com/releases/2020/03/26/security-release-12-dot-9-dot-1-released/
Source: Mitre, NVD
Published: 2020-03-27
Updated: 2021-07-21
Base Score: 5.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:N
Severity: Medium
Base Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N