Jenkins CloudBees CD Plugin 1.1.21 and earlier does not perform a permission check in an HTTP endpoint, allowing attackers with Item/Read permission to schedule builds of projects without having Item/Build permission.
https://www.jenkins.io/security/advisory/2021-04-21/#SECURITY-2309
Source: MITRE
Published: 2021-04-21
Updated: 2021-04-26
Type: CWE-862
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