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CVE-2020-2025— Kata Containers - Cloud Hypervisor guests persist filesystem changes to the underlying host image file

Quick assessment

Affected
Kata Containers Kata Containers
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.

Kata Containers是Kata Containers社区的一款开源的轻量级虚拟机构建程序。 Kata Containers 1.11.0之前版本（在Cloud Hypervisor上）存在访问控制错误漏洞。攻击者利用该漏洞覆盖镜像文件，控制随后的虚拟机。

CVSS 8.8 · High EPSS 0.31% · P22
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I. Basic Information for CVE-2020-2025

Vulnerability Information
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Vulnerability Title
Kata Containers - Cloud Hypervisor guests persist filesystem changes to the underlying host image file
Source: CVE Program / CVE List V5
Vulnerability Description
Kata Containers before 1.11.0 on Cloud Hypervisor persists guest filesystem changes to the underlying image file on the host. A malicious guest can overwrite the image file to gain control of all subsequent guest VMs. Since Kata Containers uses the same VM image file with all VMMs, this issue may also affect QEMU and Firecracker based guests.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Kata Containers 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kata Containers是Kata Containers社区的一款开源的轻量级虚拟机构建程序。 Kata Containers 1.11.0之前版本（在Cloud Hypervisor上）存在访问控制错误漏洞。攻击者利用该漏洞覆盖镜像文件，控制随后的虚拟机。
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
Kata Containers Kata Containers unspecified ~ 1.11.0 -

II. Public POCs for CVE-2020-2025

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III. Intelligence Information for CVE-2020-2025

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IV. Related Vulnerabilities

Same product: Kata Containers
Same vendor: Kata Containers
Same weakness: CWE-284

V. Comments for CVE-2020-2025

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