CVE-2018-1000861
CVSS v3
9.8
CRITICAL
EPSS Score
94.5 %
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
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.
CISA Known Exploited Vulnerability
- Date Added
- 2022-02-10
- Patch Due Date
- 2022-08-10
- Ransomware Use
- Unknown
Technical details
- Published
- 2018-12-10
Frequently asked questions
What is 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.
Is CVE-2018-1000861 actively exploited?
Yes. CVE-2018-1000861 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 2022-08-10.
What is the CVSS score for CVE-2018-1000861?
CVE-2018-1000861 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2018-1000861 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.
No credit card required · 500 free checks/month · Free API key
Other 2018 vulnerabilities worth triaging
Ranked by exploit probability (EPSS).