CVEs-PoC/2021/CVE-2021-25740.md

### [CVE-2021-25740](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-25740)
![](https://img.shields.io/static/v1?label=Product&message=Kubernetes&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%3D%201.20.11%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-441%20Unintended%20Proxy%20or%20Intermediary&color=brighgreen)

### Description

A security issue was discovered with Kubernetes that could enable users to send network traffic to locations they would otherwise not have access to via a confused deputy attack.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/adavarski/HomeLab-Proxmox-k8s-DevSecOps-playground
- https://github.com/adavarski/HomeLab-k8s-DevSecOps-playground
- https://github.com/hacking-kubernetes/hacking-kubernetes.info
- https://github.com/kajogo777/kubernetes-misconfigured
- https://github.com/magnologan/awesome-k8s-security