CVE-2018-1000861

CriticalActively exploited (CISA KEV)

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.

SeverityCritical
CVSS9.8
Exploit probability—
ProductJenkins Stapler Web Framework
PublishedDec 10, 2018
First seenDec 10, 2018
Added to KEVFeb 10, 2022

How to fix

CISA required action

Apply updates per vendor instructions.

CISA due date: Aug 10, 2022
Update
  • org.jenkins-ci.main:jenkins-core2.138.4, 2.154 or later

Affected products

ProductAffected versionsFixed in
jenkins jenkinsv ≤ 2.138.3, v ≤ 2.153—
redhat openshift_container_platform3.11—
org.jenkins-ci.main:jenkins-coreMavenv < 2.138.4, 2.140 ≤ v < 2.1542.138.4, 2.154

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