Kubernetes Image Builder fixes 1 vulnerability

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[TLP:CLEAR] Kubernetes Image Builder fixes 1 vulnerability

Kubernetes fixes a highly severe vulnerability in Kubernetes Image Builder with version 0.1.45. In addition to updating to the fixed version, the affected digital images must be rebuilt. The procedure for verifying the current version is described at [1].

Kubernetes Image Builder - default credentials access (CVE-2025-7342)

CVSS 8.1 (High)

An unauthenticated remote attacker can gain access to an account with root privileges using hard-coded credentials. The system is vulnerable only if the built Windows VM virtual images are exported for Nutanix or in the OVA format. As a temporary fix, the password can be changed with the command "net user Administrator <new-password>" directly in the Windows VM" [1].

The vulnerability is present in product:

Kubernetes Image Builder; <v0.1.45;

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

More information:

CVE-2025-7342 at cve.org, NVD
CWE-1392: Use of Default Credentials at cwe.mitre.org

The vulnerability was publicly disclosed 22. 7. 2025.

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[TLP:CLEAR] Kubernetes Image Builder fixes 1 vulnerability

Kubernetes Image Builder - default credentials access (CVE-2025-7342)

CVSS 8.1 (High)

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