# CVE-2018-1000861

A code execution vulnerability exists in the Stapler web framework used by Jenkins 2.153 and earlier, LTS 2.138.3 and earlier in stapler/core/src/main/java/org/kohsuke/stapler/MetaClass.java that allows attackers to invoke some methods on Java objects by accessing crafted URLs that were not intended to be invoked this way.

- Page: https://www.vulneraibility.com/cve/CVE-2018-1000861
- CVSS: 9.8
- Known exploited: yes, in CISA KEV since 2022-02-10; CISA due date 2022-08-10
- EPSS: 98.33% (percentile 99.9)
- Public exploit code: 1 Metasploit module · 3 GitHub proofs of concept · 1 Nuclei template (first 2019-04-24)
- CISA SSVC: exploitation active, automatable yes, technical impact total (assessed 2025-02-07)
- Weakness: CWE-502
- Published: 2018-12-10

## Affected

- jenkins:jenkins
- redhat:openshift_container_platform

## References

- [other] https://jenkins.io/security/advisory/2018-12-05/#SECURITY-595
- [advisory] https://access.redhat.com/errata/RHBA-2019:0024
- [other] http://www.securityfocus.com/bid/106176
- [other] http://packetstormsecurity.com/files/166778/Jenkins-Remote-Code-Execution.html
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-1000861

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Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.