Jenkins Git Client Plugin 2.8.4 and earlier and 3.0.0-rc did not properly restrict values passed as URL argument to an invocation of 'git ls-remote', resulting in OS command injection.
Fixed in OpenShift Container Platform 4 in the below advisories:
This issue has been addressed in the following products:
Red Hat OpenShift Container Platform 3.11
Via RHSA-2020:2478 https://access.redhat.com/errata/RHSA-2020:2478
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):