Improper Input Validation Affecting jenkins package, versions <2.287-r0


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.05% (23rd percentile)

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  • Snyk IDSNYK-ALPINE321-JENKINS-8486631
  • published6 Dec 2024
  • disclosed7 Apr 2021

Introduced: 7 Apr 2021

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

How to fix?

Upgrade Alpine:3.21 jenkins to version 2.287-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jenkins package and not the jenkins package as distributed by Alpine. See How to fix? for Alpine:3.21 relevant fixed versions and status.

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not validate the type of object created after loading the data submitted to the config.xml REST API endpoint of a node, allowing attackers with Computer/Configure permission to replace a node with one of a different type.

CVSS Scores

version 3.1