UpHeron
All vulnerabilities

Servers and applications

CVE-2021-21615

Jenkins 2.275 and LTS 2.263.2 allows reading arbitrary files using the file browser for workspaces and archived artifacts due to a time-of-check to time-of-use (TOCTOU) race condition.

Severity
Medium 5.3
Published
26 Jan 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
2.263.3, 2.276
Sources
NVD

Affected software

SoftwareAffected versions
JenkinsServers and applications · cpe:a:jenkins:jenkins
  • Every version before 2.263.3
  • Every version before 2.276

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21615
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21615