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CVE-2021-21551

Published: May 4, 2021Updated: Oct 28, 2025 Sources: CVE List NVD BDUCWE-782
8.8HIGH
NVD MITRE
EPSS Score
53.1%
Top 1.1%
CISA KEV
Active Exploitation
Since Mar 31, 2022
Exploits
2 Known
Remediation
Patch Available
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
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Weaknesses

CWE-782NVD-CWE-Other

Affected Products

Dell
commercial·USaka dell technologies
dbutilOn-prem
Enterprise Software / itsm-monitoring
Dell Technologies
commercial·USaka dell
DBUtilOn-prem
Databases / db-tooling
and 1 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Mar 31, 2022
Remediation due:Apr 21, 2022

Required action: Apply updates per vendor instructions.

2 exploit sources identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available
Workaround Available
Is your org exposed to CVE-2021-21551?We can run the check for you — a free external exposure review, no install. Check my exposure

References

http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html
packetstormsecurity.com
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.html
packetstormsecurity.com
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability
dell.com
and 5 more references View all →
News mentions
1

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