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Insufficient Validation Affecting org.jenkins-ci.main:jenkins-core package, versions [2.278,2.287) [,2.277.2)

0.0
low

Snyk CVSS

    Attack Complexity High

    Threat Intelligence

    EPSS 0.05% (21st percentile)
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NVD
4.3 medium
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Red Hat
3.1 low

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  • Snyk ID SNYK-JAVA-ORGJENKINSCIMAIN-1244084
  • published 8 Apr 2021
  • disclosed 8 Apr 2021
  • credit Jeff Thompson
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Introduced: 8 Apr 2021

CVE-2021-21639 Open this link in a new tab
CWE-20 Open this link in a new tab

How to fix?

Upgrade org.jenkins-ci.main:jenkins-core to version 2.287, 2.277.2 or higher.

Overview

org.jenkins-ci.main:jenkins-core is an open source automation server.

Affected versions of this package are vulnerable to Insufficient Validation. It does not validate the type of object created after loading the data submitted to the config.xml REST API endpoint of a node. This allows attackers with Computer/Configure permission to replace a node with one of a different type.