Vulnerability in Kubernetes

CVE-2021-25749

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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (10.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 10.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-25749: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

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)

References

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.