CVE-2021-25749 : Windows workloads can run as ContainerAdministrator even when those workloads se

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

Published 2023-05-24 17:15:09

Updated 2023-06-01 13:14:23

Source Kubernetes

View at NVD, CVE.org

Vulnerability category: BypassGain privilege

Products affected by CVE-2021-25749

Kubernetes » Kubernetes
Versions from including (>=) 1.20.0 and up to, including, (<=) 1.21.0
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.24.0 and before (<) 1.24.5
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.22.0 and before (<) 1.22.14
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions
Kubernetes » Kubernetes
Versions from including (>=) 1.23.0 and before (<) 1.23.11
cpe:2.3:a:kubernetes:kubernetes:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.03%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 5 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	Kubernetes
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High
7.8	HIGH	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	1.8	5.9	NIST
Attack Vector: Local Attack Complexity: Low Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-284 Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

Assigned by: jordan@liggitt.net (Secondary)

https://groups.google.com/g/kubernetes-security-announce/c/qqTZgulISzA

[Security Advisory] CVE-2021-25749: runAsNonRoot logic bypass for Windows containers
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