CVE-2021-21693

Critical

Description

When creating temporary files, agent-to-controller access to create those files is only checked after they've been created in Jenkins 2.318 and earlier, LTS 2.303.2 and earlier.

SeverityCritical
CVSS9.8
Exploit probability—
ProductJenkins
PublishedNov 4, 2021
First seenNov 4, 2021

How to fix

Update
  • jenkins jenkins2.303.3, 2.319 or later
  • org.jenkins-ci.main:jenkins-core2.303.3, 2.319 or later

Affected products

ProductAffected versionsFixed in
jenkins jenkinsv < 2.303.3, v < 2.3192.303.3, 2.319
org.jenkins-ci.main:jenkins-coreMavenv < 2.303.3, 2.304 ≤ v < 2.3192.303.3, 2.319

Check your version

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