Actively exploited in the wild
Dell dbutil Driver Insufficient Access Control Vulnerability
Dell - dbutil Driver · Listed in the CISA KEV since 2022-03-31. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-21551
HighCVSS 8.8KEVSummary
The 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.
Risk Assessment
The risk includes the possibility of a local user gaining elevated privileges, potentially leading to full system compromise or data leakage.
Recommendation
Immediately update the dbutil_2_3.sys driver to the patched version provided by Dell.
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Original NVD description (English source)
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.