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CVE-2025-46599

Quick assessment

Affected
K3s K3s
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

k3s是k3s开源的一个轻量级Kubernetes。 k3s 1.32至1.32.4-rc1+k3s1之前版本存在安全漏洞，该漏洞源于kubelet配置变更可能导致未经身份验证访问ReadOnlyPort端口。

CVSS 6.8 · Medium EPSS 0.45% · P37

Possible ATT&CK Techniques 1 AI

T1552.001 · Credentials In Files
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I. Basic Information for CVE-2025-46599

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
CNCF K3s 1.32 before 1.32.4-rc1+k3s1 has a Kubernetes kubelet configuration change with the unintended consequence that, in some situations, ReadOnlyPort is set to 10255. For example, the default behavior of a K3s online installation might allow unauthenticated access to this port, exposing credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不安全的默认资源初始化
Source: CVE Program / CVE List V5
Vulnerability Title
k3s 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
k3s是k3s开源的一个轻量级Kubernetes。 k3s 1.32至1.32.4-rc1+k3s1之前版本存在安全漏洞，该漏洞源于kubelet配置变更可能导致未经身份验证访问ReadOnlyPort端口。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
K3s K3s 1.32 ~ 1.32.4-rc1+k3s -

II. Public POCs for CVE-2025-46599

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III. Intelligence Information for CVE-2025-46599

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Patches & Fixes for CVE-2025-46599 (2)

Vendor Advisories for CVE-2025-46599 (1)

Vendor Pages for CVE-2025-46599 (1)

Other References for CVE-2025-46599 (1)

IV. Related Vulnerabilities

Same product: K3s
Same weakness: CWE-1188

V. Comments for CVE-2025-46599

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