Jenkins WebSphere Deployer Plugin 1.6.1 and earlier allows users with Overall/Read access to disable SSL/TLS certificate and hostname validation for the entire Jenkins master JVM.
https://jenkins.io/security/advisory/2019-12-17/#SECURITY-1581
http://www.openwall.com/lists/oss-security/2019/12/17/1
Source: Mitre, NVD
Published: 2019-12-17
Updated: 2026-06-17
Base Score: 5.5
Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:N
Severity: Medium
Base Score: 7.1
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Severity: High
EPSS: 0.00026