Permissions, Privileges, and Access Controls in Kubelet - CVE-2021-25749

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Main Vulnerability Database Vulnerabilities #VU71640

Permissions, Privileges, and Access Controls in Kubelet - CVE-2021-25749

Published: January 30, 2023


Vulnerability identifier: #VU71640
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-25749
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available
Vendor: Kubernetes
Affected software:
Kubelet

Detailed vulnerability description

The vulnerability allows a remote user to escalate privileges on the system.

The vulnerability exists due incorrect privilege management. Windows workloads can be executed with the ContainerAdministrator privileges even when the runAsNonRoot option is set to "true".


How to mitigate CVE-2021-25749

Install updates from vendor's website.

Sources