CVE-2021-21682

Medium

Description

Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

SeverityMedium
CVSS4.3
Exploit probability—
ProductJenkins
PublishedOct 6, 2021
First seenOct 6, 2021

How to fix

Update
  • org.jenkins-ci.main:jenkins-core2.315, 2.303.2 or later

Affected products

ProductAffected versionsFixed in
jenkins jenkinsv ≤ 2.303.1, v ≤ 2.314—
org.jenkins-ci.main:jenkins-coreMaven2.304 ≤ v < 2.315, v < 2.303.22.315, 2.303.2

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CVE-2021-21682 · Jenkins · Dark Radar