Privilege escalation in Dell dbutil Driver

Published: 2021-05-05 | Updated: 2022-06-26
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21551
Exploitation vector Local
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Hardware solutions / Drivers

Vendor Dell

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU52877

Risk: Low


CVE-ID: CVE-2021-21551

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: Yes


The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions within the Dell dbutil driver dbutil_2_3.sys. A local user can run a specially crafted program to execute arbitrary code on the system with elevated privileges.


Install updates from vendor's website.

Vulnerable software versions

DBUtil: 2.3

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?