Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows users with Agent/Configure permission to choose agent names that cause Jenkins to override the global `config.xml` file.
https://www.jenkins.io/security/advisory/2021-01-13/#SECURITY-2021
Source: MITRE
Published: 2021-01-13
Updated: 2022-10-24
Type: CWE-22
Base Score: 6
Vector: AV:N/AC:M/Au:S/C:P/I:P/A:P
Impact Score: 6.4
Exploitability Score: 6.8
Severity: MEDIUM
Base Score: 8
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Impact Score: 5.9
Exploitability Score: 2.1
Severity: HIGH