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NVD Vulnerability Details :
CVE-2021-21551
Analyzed
More InfoOfficial Page
Source-security_alert@emc.com
View Known Exploited Vulnerability (KEV) details
Published At-04 May, 2021 | 16:15
Updated At-28 Oct, 2025 | 14:05

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 Catalog
Date AddedDue DateVulnerability NameRequired Action
2022-03-312022-04-21Dell dbutil Driver Insufficient Access Control VulnerabilityApply updates per vendor instructions.
Date Added: 2022-03-31
Due Date: 2022-04-21
Vulnerability Name: Dell dbutil Driver Insufficient Access Control Vulnerability
Required Action: Apply updates per vendor instructions.
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.18.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Primary3.17.8HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Primary2.04.6MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/A:P
Type: Secondary
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 7.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 4.6
Base severity: MEDIUM
Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CPE Matches

Dell Inc.
dell
>>dbutil>>Versions up to 2.3(inclusive)
cpe:2.3:a:dell:dbutil:*:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_14>>-
cpe:2.3:h:dell:alienware_14:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_17_51m_r2>>-
cpe:2.3:h:dell:alienware_17_51m_r2:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_area_51>>-
cpe:2.3:h:dell:alienware_area_51:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_asm100>>-
cpe:2.3:h:dell:alienware_asm100:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_asm100r2>>-
cpe:2.3:h:dell:alienware_asm100r2:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_m14xr2>>-
cpe:2.3:h:dell:alienware_m14xr2:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_m15_r4>>-
cpe:2.3:h:dell:alienware_m15_r4:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_m17xr4>>-
cpe:2.3:h:dell:alienware_m17xr4:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>alienware_m18xr2>>-
cpe:2.3:h:dell:alienware_m18xr2:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>canvas_27>>-
cpe:2.3:h:dell:canvas_27:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>cheng_ming_3967>>-
cpe:2.3:h:dell:cheng_ming_3967:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>chengming_3967>>-
cpe:2.3:h:dell:chengming_3967:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>chengming_3977>>-
cpe:2.3:h:dell:chengming_3977:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>chengming_3980>>-
cpe:2.3:h:dell:chengming_3980:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>chengming_3988>>-
cpe:2.3:h:dell:chengming_3988:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>chengming_3990>>-
cpe:2.3:h:dell:chengming_3990:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>chengming_3991>>-
cpe:2.3:h:dell:chengming_3991:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>dock_wd15>>-
cpe:2.3:h:dell:dock_wd15:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>dock_wd19>>-
cpe:2.3:h:dell:dock_wd19:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>embedded_box_pc_5000>>-
cpe:2.3:h:dell:embedded_box_pc_5000:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g15_5510>>-
cpe:2.3:h:dell:g15_5510:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g3_3500>>-
cpe:2.3:h:dell:g3_3500:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g3_3579>>-
cpe:2.3:h:dell:g3_3579:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g3_3779>>-
cpe:2.3:h:dell:g3_3779:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g5_5000>>-
cpe:2.3:h:dell:g5_5000:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g5_5090>>-
cpe:2.3:h:dell:g5_5090:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g5_5500>>-
cpe:2.3:h:dell:g5_5500:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g5_5587>>-
cpe:2.3:h:dell:g5_5587:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g5_5590>>-
cpe:2.3:h:dell:g5_5590:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g7_7500>>-
cpe:2.3:h:dell:g7_7500:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g7_7588>>-
cpe:2.3:h:dell:g7_7588:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g7_7590>>-
cpe:2.3:h:dell:g7_7590:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g7_7700>>-
cpe:2.3:h:dell:g7_7700:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>g7_7790>>-
cpe:2.3:h:dell:g7_7790:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>gaming_g3_3590>>-
cpe:2.3:h:dell:gaming_g3_3590:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_11-3162>>-
cpe:2.3:h:dell:inspiron_11-3162:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_1122>>-
cpe:2.3:h:dell:inspiron_1122:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_1210>>-
cpe:2.3:h:dell:inspiron_1210:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_13_5370>>-
cpe:2.3:h:dell:inspiron_13_5370:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_14-3452>>-
cpe:2.3:h:dell:inspiron_14-3452:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_14-5459>>-
cpe:2.3:h:dell:inspiron_14-5459:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_14_5468>>-
cpe:2.3:h:dell:inspiron_14_5468:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_14_7460>>-
cpe:2.3:h:dell:inspiron_14_7460:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_14_gaming_7466>>-
cpe:2.3:h:dell:inspiron_14_gaming_7466:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_14_gaming_7467>>-
cpe:2.3:h:dell:inspiron_14_gaming_7467:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_15-3552>>-
cpe:2.3:h:dell:inspiron_15-3552:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_15-5559>>-
cpe:2.3:h:dell:inspiron_15-5559:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_15-5565>>-
cpe:2.3:h:dell:inspiron_15-5565:-:*:*:*:*:*:*:*
Dell Inc.
dell
>>inspiron_15_5566>>-
cpe:2.3:h:dell:inspiron_15_5566:-:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-782Secondarysecurity_alert@emc.com
NVD-CWE-OtherPrimarynvd@nist.gov
CWE ID: CWE-782
Type: Secondary
Source: security_alert@emc.com
CWE ID: NVD-CWE-Other
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.htmlsecurity_alert@emc.com
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.htmlsecurity_alert@emc.com
Exploit
Third Party Advisory
VDB Entry
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerabilitysecurity_alert@emc.com
Mitigation
Vendor Advisory
http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.htmlaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.htmlaf854a3a-2127-422b-91ae-364da2661108
Exploit
Third Party Advisory
VDB Entry
https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerabilityaf854a3a-2127-422b-91ae-364da2661108
Mitigation
Vendor Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21551134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
Hyperlink: http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html
Source: security_alert@emc.com
Resource:
Exploit
Third Party Advisory
VDB Entry
Hyperlink: http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.html
Source: security_alert@emc.com
Resource:
Exploit
Third Party Advisory
VDB Entry
Hyperlink: https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability
Source: security_alert@emc.com
Resource:
Mitigation
Vendor Advisory
Hyperlink: http://packetstormsecurity.com/files/162604/Dell-DBUtil_2_3.sys-IOCTL-Memory-Read-Write.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
VDB Entry
Hyperlink: http://packetstormsecurity.com/files/162739/DELL-dbutil_2_3.sys-2.3-Arbitrary-Write-Privilege-Escalation.html
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Third Party Advisory
VDB Entry
Hyperlink: https://www.dell.com/support/kbdoc/en-us/000186019/dsa-2021-088-dell-client-platform-security-update-for-dell-driver-insufficient-access-control-vulnerability
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Mitigation
Vendor Advisory
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21551
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
US Government Resource
Change History
0Changes found

Details not found