Vulnerability record · CVE-2022-3294 · published 1 March 2023

CVE-2022-3294: Kubernetes improper input validation vulnerability

Kubernetes · Kubernetes

Users may have access to secure endpoints in the control plane network. Kubernetes clusters are only affected if an untrusted user can modify Node objects and send proxy requests to them. Kubernetes supports node proxying, which allows clients of kube-apiserver to access endpoints of a Kubelet to establish connections to Pods, retrieve container logs, and more. While Kubernetes already validates the proxying address for Nodes, a bug in kube-apiserver made it possible to bypass this validation. Bypassing this validation could allow authenticated requests destined for Nodes to to the API server's private network.

8.8 CVSS 3.1 High EPSS 1.6% · top 24.9% CWE-20 · Improper input validation

8.8CVSS 3.1 base score

1.6%EPSS exploitation probability, 30 days

NoNot in CISA KEV

1Affected product versions listed by NVD

6References

17 Jun 2026Last modified by NVD

Description

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

Kubernetes Kubernetes

References

Link	Tags
https://github.com/kubernetes/kubernetes/issues/113757	PatchVendor Advisory
https://groups.google.com/g/kubernetes-security-announce/c/VyPOxF7CIbA	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230505-0007/
https://github.com/kubernetes/kubernetes/issues/113757	PatchVendor Advisory
https://groups.google.com/g/kubernetes-security-announce/c/VyPOxF7CIbA	Mailing ListThird Party Advisory
https://security.netapp.com/advisory/ntap-20230505-0007/

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2022-3294), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.