A man in the middle vulnerability exists in Jenkins vSphere Plugin 2.16 and older in VSphere.java that disables SSL/TLS certificate validation by default.
https://jenkins.io/security/advisory/2018-03-26/#SECURITY-504
Source: Mitre, NVD
Published: 2018-04-05
Updated: 2026-06-17
Base Score: 6.8
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P
Severity: Medium
Base Score: 5.6
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS: 0.00037