CVE-2018-1000861
Deserialization of Untrusted Data in Jenkins
9.8
CRITICAL
CVSS 3.1
⚠ KEVEPSS 94.5%
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.
How to fix CVE-2018-1000861
To remediate CVE-2018-1000861, upgrade the affected package to a fixed version below.
- —upgrade to 2.138.4 or later
Is CVE-2018-1000861 being exploited?
Yes — CVE-2018-1000861 is on the CISA Known Exploited Vulnerabilities (KEV) catalog. Patch immediately.
Affected packages (1)
- from 0, < 2.138.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:H |