###  CVE-2021-21551

#### 描述

Dell dbutil_2_3.sys driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial of service, or information disclosure. Local authenticated user access is required.

#### 利用方式

该漏洞并未进行测试，根目录留存着网络收集**[CVE编号].zip**的EXP或者POC，代码状态未知

#### 项目来源

- [waldo-irc](https://github.com/waldo-irc/CVE-2021-21551)

#### 分析文章

- https://labs.sentinelone.com/cve-2021-21551-hundreds-of-millions-of-dell-computers-at-risk-due-to-multiple-bios-driver-privilege-escalation-flaws/

