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


Severity

Recommended
0.0
low
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-JAVA-ORGJENKINSCIMAIN-1244084
  • published8 Apr 2021
  • disclosed8 Apr 2021
  • creditJeff Thompson

Introduced: 8 Apr 2021

CVE-2021-21639  (opens in a new tab)
CWE-20  (opens 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.

CVSS Scores

version 3.1