CVE-2021-21551

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

04/05/2021

Last modified:

18/02/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Changed
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

8.80

Severity 3.x

HIGH

Vector 2.0

AV:L/AC:L/Au:N/C:P/I:P/A:P CVSS v2.0 Severity and Metrics:

Base Score: 4.60 MEDIUM
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P

Attack Vector (AV): Local
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): Physical
Availability (A): Physical

Base Score 2.0

4.60

Severity 2.0

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:dell:dbutil::::::::		2.3 (including)
cpe:2.3:h:dell:alienware_14:-:::::::*
cpe:2.3:h:dell:alienware_17_51m_r2:-:::::::*
cpe:2.3:h:dell:alienware_area_51:-:::::::*
cpe:2.3:h:dell:alienware_asm100:-:::::::*
cpe:2.3:h:dell:alienware_asm100r2:-:::::::*
cpe:2.3:h:dell:alienware_m14xr2:-:::::::*
cpe:2.3:h:dell:alienware_m15_r4:-:::::::*
cpe:2.3:h:dell:alienware_m17xr4:-:::::::*
cpe:2.3:h:dell:alienware_m18xr2:-:::::::*
cpe:2.3:h:dell:canvas_27:-:::::::*
cpe:2.3:h:dell:cheng_ming_3967:-:::::::*
cpe:2.3:h:dell:chengming_3967:-:::::::*
cpe:2.3:h:dell:chengming_3977:-:::::::*
cpe:2.3:h:dell:chengming_3980:-:::::::*

To consult the complete list of CPE names with products and versions, see this page

CPE	From	Up to
cpe:2.3:a:dell:dbutil::::::::		2.3 (including)
cpe:2.3:h:dell:alienware_14:-:::::::*
cpe:2.3:h:dell:alienware_17_51m_r2:-:::::::*
cpe:2.3:h:dell:alienware_area_51:-:::::::*
cpe:2.3:h:dell:alienware_asm100:-:::::::*
cpe:2.3:h:dell:alienware_asm100r2:-:::::::*
cpe:2.3:h:dell:alienware_m14xr2:-:::::::*
cpe:2.3:h:dell:alienware_m15_r4:-:::::::*
cpe:2.3:h:dell:alienware_m17xr4:-:::::::*
cpe:2.3:h:dell:alienware_m18xr2:-:::::::*
cpe:2.3:h:dell:canvas_27:-:::::::*
cpe:2.3:h:dell:cheng_ming_3967:-:::::::*
cpe:2.3:h:dell:chengming_3967:-:::::::*
cpe:2.3:h:dell:chengming_3977:-:::::::*
cpe:2.3:h:dell:chengming_3980:-:::::::*

CVE-2021-21551

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools