### [CVE-2021-40388](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-40388) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&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 Advantech SQ Manager Server 1.0.6. 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-2021-1399 #### Github No PoCs found on GitHub currently.