CVE-2025-7342— VM images built with Kubernetes Image Builder Nutanix or OVA providers use default credentials for Windows images if user did not override

VM images built with Kubernetes Image Builder Nutanix or OVA providers use default credentials for Windows images if user did not override

A security issue was discovered in the Kubernetes Image Builder where default credentials are enabled during the Windows image build process when using the Nutanix or VMware OVA providers. These credentials, which allow root access, are disabled at the conclusion of the build. Kubernetes clusters are only affected if their nodes use VM images created via the Image Builder project and the vulnerability was exploited during the build process, which requires an attacker to access the build VM and modify the image while the build is in progress.

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

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Kubernetes 安全漏洞

Kubernetes（K8s）是Kubernetes开源的一个开源系统，用于自动部署、扩展和管理容器化应用程序。 Kubernetes存在安全漏洞，该漏洞源于默认凭据启用，可能导致未授权root访问。

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