UpHeron
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Servers and applications

CVE-2021-21604

Jenkins 2.274 and earlier, LTS 2.263.1 and earlier allows attackers with permission to create or configure various objects to inject crafted content into Old Data Monitor that results in the instantiation of potentially unsafe objects once discarded by an administrator.

Severity
High 8.0
Published
13 Jan 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 2.263.1
  • Every version up to 2.274

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-21604
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-21604