cve/2020/CVE-2020-8553.md

### [CVE-2020-8553](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8553)
![](https://img.shields.io/static/v1?label=Product&message=ingress-nginx&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%200.28.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-73%20External%20Control%20of%20File%20Name%20or%20Path&color=brighgreen)

### Description

The Kubernetes ingress-nginx component prior to version 0.28.0 allows a user with the ability to create namespaces and to read and create ingress objects to overwrite the password file of another ingress which uses nginx.ingress.kubernetes.io/auth-type: basic and which has a hyphenated namespace or secret name.

### POC

#### Reference
- https://hackerone.com/reports/778803

#### Github
No PoCs found on GitHub currently.