Issue:

When you create a credential at a folder level and try to use it during a build with a checkmarx build step, the credential returns `null` value which fails to give access.

Steps to reproduce:

Create username/password combination which only exists at a folder level

Create freestyle build with a checkmarx build step requiring authentication inside of that folder

Choose that folder scoped username/password at the job level

Run the build and check the checkmarx logs

Observe that `Anonymous` is trying to get access rather than the username/password combination

Workaround:

You can scope the credentials at the global level and this will work 100% fine

I did see another JIRA which was having the same issue and it was resolved with [this PR|https://github.com/jenkinsci/pipeline-aws-plugin/pull/16].  Maybe there is something helpful you can get there? It looks like the credentials plugin dependency was bumped to a newer version which is not included in checkmarx