UpHeron
All vulnerabilities

Servers and applications

CVE-2021-25741

A security issue was discovered in Kubernetes where a user may be able to create a container with subpath volume mounts to access files & directories outside of the volume, including on the host filesystem.

Severity
High 8.1
Published
20 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
KubernetesServers and applications · cpe:a:kubernetes:kubernetes
  • Every version up to 1.19.14
  • From 1.20.0 up to 1.20.10
  • From 1.21.0 up to 1.21.4
  • From 1.22.0 up to 1.22.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2021-25741
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2021-25741