Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2021-21518

Severity CVSS v4.0:
Pending analysis
Type:
CWE-427 Uncontrolled Search Path Element
Publication date:
12/03/2021
Last modified:
19/03/2021

Description

Dell SupportAssist Client for Consumer PCs versions 3.7.x, 3.6.x, 3.4.x, 3.3.x, Dell SupportAssist Client for Business PCs versions 2.0.x, 2.1.x, 2.2.x, and Dell SupportAssist Client ProManage 1.x contain a DLL injection vulnerability in the Costura Fody plugin. A local user with low privileges could potentially exploit this vulnerability, leading to the execution of arbitrary executable on the operating system with SYSTEM privileges.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x
7.80
Severity 3.x
HIGH
Vector 2.0
AV:L/AC:L/Au:N/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 7.20 HIGH
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C

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

Base Score 2.0
7.20
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:dell:supportassist_client_promanage:1.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_business_pcs:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_business_pcs:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_business_pcs:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_home_pcs:3.3.3:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_home_pcs:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_home_pcs:3.6.0:*:*:*:*:*:*:*
cpe:2.3:a:dell:supportassist_for_home_pcs:3.7.0:*:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools