VULNERABILITY INTELLIGENCE

CVE-2021-21551

CVSS score8.8 HIGH

EPSS probability79.63%

CISA KEVKnown exploited vulnerability

Published2021-05-04

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Known Exploited Vulnerability

Dell dbutil Driver Insufficient Access Control Vulnerability

Vendor / product: Dell / dbutil Driver

Description

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.

Weakness classification

security_alert@emc.com: CWE-782
nvd@nist.gov: NVD-CWE-Other

Primary references

security_alert@emc.com — Exploit, Third Party Advisory, VDB Entry
security_alert@emc.com — Exploit, Third Party Advisory, VDB Entry
security_alert@emc.com — Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Mitigation, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0 — US Government Resource