CVEs-PoC/2021/CVE-2021-28500.md

### [CVE-2021-28500](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28500)
![](https://img.shields.io/static/v1?label=Product&message=Arista%20EOS&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=4.20%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.21.14M%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.22.11M%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.23.8M%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.24.6M%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.25.4.M%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Version&message=4.26.1F%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-285%20Improper%20Authorization&color=brightgreen)

### Description

An issue has recently been discovered in Arista EOS where the incorrect use of EOS's AAA API’s by the OpenConfig and TerminAttr agents could result in unrestricted access to the device for local users with nopassword configuration.

### POC

#### Reference
- https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071

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