Jenkins 2.299 and earlier, LTS 2.289.1 and earlier allows users to cancel queue items and abort builds of jobs for which they have Item/Cancel permission even when they do not have Item/Read permission.
https://www.jenkins.io/security/advisory/2021-06-30/#SECURITY-2278
Source: MITRE
Published: 2021-06-30
Updated: 2021-07-06
Type: CWE-863
Base Score: 4
Vector: AV:N/AC:L/Au:S/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 8
Severity: MEDIUM
Base Score: 4.3
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Impact Score: 1.4
Exploitability Score: 2.8
Severity: MEDIUM