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CVE-2021-25738— Code exec via yaml parsing

Quick assessment

Affected
Kubernetes Kubernetes Java Client
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.

Google Kubernetes是美国谷歌（Google）公司的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。 Google Kubernetes Java Client 存在代码问题漏洞，该漏洞源于通过yaml解析执行代码。

CVSS 6.7 · Medium EPSS 0.47% · P39

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-25738

Vulnerability Information
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Vulnerability Title
Code exec via yaml parsing
Source: CVE Program / CVE List V5
Vulnerability Description
Loading specially-crafted yaml with the Kubernetes Java Client library can lead to code execution.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Google Kubernetes 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Kubernetes是美国谷歌（Google）公司的一套开源的Docker容器集群管理系统。该系统为容器化的应用提供资源调度、部署运行、服务发现和扩容缩容等功能。 Google Kubernetes Java Client 存在代码问题漏洞，该漏洞源于通过yaml解析执行代码。
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
Kubernetes Kubernetes Java Client v12.0.0 -

II. Public POCs for CVE-2021-25738

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III. Intelligence Information for CVE-2021-25738

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Mailing List Discussions for CVE-2021-25738 (1)

Other References for CVE-2021-25738 (2)

IV. Related Vulnerabilities

Same product: Kubernetes Java Client
Same vendor: Kubernetes
Same weakness: CWE-20

V. Comments for CVE-2021-25738

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