Improper access control in DBUtil - CVE-2021-21551

 

Improper access control in DBUtil - CVE-2021-21551

Published: May 5, 2021 / Updated: January 16, 2023


Vulnerability identifier: #VU52877
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear
CVE-ID: CVE-2021-21551
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Dell
Affected software:
DBUtil

Detailed vulnerability description

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.


How to mitigate CVE-2021-21551

Install updates from vendor's website.

Sources