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Servers and applications

CVE-2021-21683

The file browser in Jenkins 2.314 and earlier, LTS 2.303.1 and earlier may interpret some paths to files as absolute on Windows, resulting in a path traversal vulnerability allowing attackers with Overall/Read permission (Windows controller) or Job/Workspace permission (Windows agents) to obtain the contents of arbitrary files.

Severity
Medium 6.5
Published
6 Oct 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version up to 2.303.1
  • Every version up to 2.314

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21683
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21683