Jenkins JIRA Plugin 3.0.10 and earlier does not declare the correct (folder) scope for per-folder Jira site definitions, allowing users to select and use credentials with System scope.
http://www.openwall.com/lists/oss-security/2019/11/21/1
https://jenkins.io/security/advisory/2019-11-21/#SECURITY-1106
Source: MITRE
Published: 2019-11-21
Updated: 2019-12-03
Type: CWE-668
Base Score: 6.5
Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 8
Severity: MEDIUM
Base Score: 9.9
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Impact Score: 6
Exploitability Score: 3.1
Severity: CRITICAL