CVE-2021-25749— runAsNonRoot logic bypass for Windows containers
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I. Basic Information for CVE-2021-25749
Vulnerability Information
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Vulnerability Title
runAsNonRoot logic bypass for Windows containers
Source: NVD (National Vulnerability Database)
Vulnerability Description
Windows workloads can run as ContainerAdministrator even when those workloads set the runAsNonRoot option to true.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kubernetes 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kubernetes（K8s）是云原生计算基金会（Cloud Native Computing Foundation）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。目前尚无此漏洞的相关信息，请随时关注CNNVD或厂商公告。
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 | kubelet v1.22.0 - v1.22.13 ~ v1.22.14 | - |
II. Public POCs for CVE-2021-25749
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Kubernetes · 2023-05-24 · 4 CVEs total
| CVE-2023-1174 | 9.8 CRITICAL | [minikube] Network Port exposure in minikube running on macOS using Docker driver |
| CVE-2023-1944 | 8.4 HIGH | [minikube] ssh server with default password |
| CVE-2021-25748 | 7.6 HIGH | Ingress-nginx `path` sanitization can be bypassed with newline character |
IV. Related Vulnerabilities
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Bypassing mountable secrets policy imposed by the ServiceAcc
Same vendor: Kubernetes
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ingress-nginx auth-proxy-set-headers nginx configuration inj - CVE-2026-24514
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Same weakness: CWE-284
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V. Comments for CVE-2021-25749
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