Vulnerability in Kubernetes

CVE-2021-25749

Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.

EPSS: 0.002 (11.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Kubernetes — versions kubelet v1.22.0 - v1.22.13, kubelet v1.23.0 - v1.23.10, kubelet v1.24.0 - v1.24.4

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

jordan@liggitt.net (Mailing List)

Frequently asked questions

What is CVE-2021-25749?: CVE-2021-25749 is a high-severity vulnerability in Kubernetes, classified under Improper Access Control. CVSS score: 7.8/10. Published 2023-05-24.
How severe is CVE-2021-25749?: High severity. CVSS v3 base score is 7.8 out of 10.