Vulnerability Intelligence Report
Dell dbutil Driver Insufficient Access Control Vulnerability
CVE-2021-21551
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.
CISA KEV
SSVC: Active Exploitation
CVSS Base Score
8.8
HIGH
Exploitability:2.1
Impact Score:6.1
EPSS Probability:57.47%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-782 ↗CWE-782: Exposed IOCTL with Insufficient Access Control
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Dell | dbutil | 2.3 (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Dell · Vendor · USA |
| Reserved | 2021-01-04T00:00:00 |
| Published | 2021-05-04T15:15:21 |
| Patch Date | 2021-05-03 |
| Last Updated | 2025-10-21T23:25:47 |
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