CVE-2021-21551 vulnerability in Dell Products
Published on May 4, 2021
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.
Known Exploited Vulnerability
This Dell dbutil Driver Insufficient Access Control Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Dell dbutil driver contains an insufficient access control vulnerability which may lead to escalation of privileges, denial-of-service, or information disclosure.
The following remediation steps are recommended / required by April 21, 2022: Apply updates per vendor instructions.
Vulnerability Analysis
CVE-2021-21551 can be exploited with local system access, and requires small amount of user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.
Exposed IOCTL with Insufficient Access Control
The software implements an IOCTL with functionality that should be restricted, but it does not properly enforce access control for the IOCTL.
Products Associated with CVE-2021-21551
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What versions are vulnerable to CVE-2021-21551?
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Dell Dbutil 2 3 Sys
Version -