Jenkins Unauthenticated Script Console RCE
jenkins-unauth-rce is a critical severity check in the
devops category, written in go.
Its source is templates/devops/jenkins/jenkins-unauth-rce.go in
cert-x-gen-templates.
What it checks
Section titled “What it checks”Detects Jenkins instances with unauthenticated access to Script Console enabling Remote Code Execution
Header
Section titled “Header”| Field | Value |
|---|---|
| Id | jenkins-unauth-rce |
| Severity | critical |
| Language | go |
| Category | devops |
| Author | CERT-X-GEN Security Team |
| Template version | 1.0.0 |
| Confidence | 95 |
| CVSS | 9.8 |
| Weakness | CWE-306, CWE-94 |
| Tags | jenkins, ci-cd, devops, rce, misconfig, groovy |
| Target kind | not recorded |
| Oracle | not recorded |
References
Section titled “References”Declared in the header. cxg parses @references and then discards it, and
nothing at scan time reads it, so this is the only place the links a
template cites are surfaced.
- https://www.jenkins.io/doc/book/security/
- https://book.hacktricks.xyz/network-services-pentesting/pentesting-web/jenkins
Run it
Section titled “Run it”To see what the copy on your machine says about itself, and to confirm it is installed at all:
cxg template info jenkins-unauth-rceThe id it prints is the one to pass anywhere a template is selected. See
cxg template for the rest of
the subcommand, Scan a target for running
a scan, and
A match is not a finding for how
to read what comes back.
Related
Section titled “Related”- Template catalog is the whole corpus.
- devops is the rest of this category.
- Templates by weakness class groups checks by the defect they look for.
- Contribute a template is the route from a check you needed and could not find to a merged one.