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CVE record · CVE-2021-21551

Dell dbutil: Dell dbutil_2_3.sys driver contains an insufficient access control vulnerability which…

CVSS 8.8 HighCriticalIn CISA KEVEPSS 0.80 · 99th percentile

Critical, because:

  • In CISA’s KEV catalogue since 31 Mar 2022: it is known to be exploited.
  • CVSS score 8.8 (7.0 or more) and EPSS 0.80 (0.1 or more): a high score and a real chance of exploitation in the next 30 days.

How we decide what’s critical

Published by the CVE Program (CNA: dell) at 4 May 2021, 15:15 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Dell dbutil
  • affected 2.3
Other versions: unaffected
Identifiers
CVE-2021-21551
CNA
dell
Weakness (CWE)
CWE-782
Tags
Published
4 May 2021
Updated
21 Oct 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.8 High 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CNA (dell)
  • CISA KEV Listed since 31 Mar 2022: known to be exploited.
  • EPSS 0.80, the 99th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 4 May 2021. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.