CVE-2021-21518

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.

Published: Mar 12, 2021
Updated: Apr 14, 2023
CVE: CVE-2021-21518
Severity: High
Exploit:

CVSS v3:

Severity: High
Score: 7.8
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2:

Severity: High
Score: 7.2
AV:L/AC:L/Au:N/C:C/I:C/A:C

CWEs:

CWE-427

Affected Software
References

Software	From	Fixed in
dell / supportassist_client_promanage	1.0	1.0.x
dell / supportassist_for_home_pcs	3.6.0	3.6.0.x
dell / supportassist_for_home_pcs	3.7.0	3.7.0.x
dell / supportassist_for_home_pcs	3.4.0	3.4.0.x
dell / supportassist_for_home_pcs	3.3.3	3.3.3.x
dell / supportassist_for_business_pcs	2.0.0	2.0.0.x
dell / supportassist_for_business_pcs	2.1.0	2.1.0.x
dell / supportassist_for_business_pcs	2.2.0	2.2.0.x

https://www.dell.com/support/kbdoc/en-us/000184012/dsa-2021-052-dell-supportassist-for-home-pcs-business-pcs-security-update-for-pc-doctor-plugin-vulnerability

Vulnerability Database

CVE-2021-21518

Deep Security Visibility Without the Complexity