### [CVE-2021-21539](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21539)
![](https://img.shields.io/static/v1?label=Product&message=Integrated%20Dell%20Remote%20Access%20Controller%20(iDRAC)&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=unspecified%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Other&color=brightgreen)

### Description

Dell EMC iDRAC9 versions prior to 4.40.00.00 contain a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A remote authenticated attacker could potentially exploit this vulnerability to gain elevated privileges when a user with higher privileges is simultaneously accessing iDRAC through the web interface.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ARPSyndicate/cvemon
- https://github.com/chnzzh/iDRAC-CVE-lib