cve/2021/CVE-2021-21911.md

### [CVE-2021-21911](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21911)
![](https://img.shields.io/static/v1?label=Product&message=Advantech&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-276%3A%20Incorrect%20Default%20Permissions&color=brighgreen)

### Description

A privilege escalation vulnerability exists in the Windows version of installation for Advantech R-SeeNet Advantech R-SeeNet 2.4.15 (30.07.2021). A specially-crafted file can be replaced in the system to escalate privileges to NT SYSTEM authority. An attacker can provide a malicious file to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1360

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