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CVE-2021-21693: Improper Authorization

November 4, 2021 (updated November 22, 2023)

When creating temporary files, agent-to-controller access to create those files is only checked after they’ve been created in Jenkins.

References

  • nvd.nist.gov/vuln/detail/CVE-2021-21693
  • www.jenkins.io/security/advisory/2021-11-04/

Code Behaviors & Features

Detect and mitigate CVE-2021-21693 with GitLab Dependency Scanning

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Affected versions

All versions after 2.303.3 before 2.319

Fixed versions

  • 2.319

Solution

Upgrade to version 2.319 or above.

Impact 9.8 CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Learn more about CVSS

Weakness

  • CWE-863: Incorrect Authorization

Source file

maven/org.jenkins-ci.main/jenkins-core/CVE-2021-21693.yml

Spotted a mistake? Edit the file on GitLab.

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