Improper Input Validation Affecting jenkins package, versions <0:2.289.1.1624020353-1.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (24th percentile)

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  • Snyk IDSNYK-RHEL8-JENKINS-4397054
  • published26 Mar 2023
  • disclosed7 Apr 2021

Introduced: 7 Apr 2021

CVE-2021-21640  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade RHEL:8 jenkins to version 0:2.289.1.1624020353-1.el8 or higher.
This issue was patched in RHSA-2021:2437.

NVD Description

Note: Versions mentioned in the description apply only to the upstream jenkins package and not the jenkins package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

Jenkins 2.286 and earlier, LTS 2.277.1 and earlier does not properly check that a newly created view has an allowed name, allowing attackers with View/Create permission to create views with invalid or already-used names.

CVSS Scores

version 3.1