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CVE-2021-21518

Quick assessment

Affected
Dell Dell SupportAssist Client
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

DELL Dell SupportAssist Client是美国戴尔（DELL）公司的一款客户端应用程序。该程序提供自动化、主动和预测性技术进行故障排除等。 Dell SupportAssist Client for Business PCs 存在代码问题漏洞，该漏洞源于具有较低权限的本地用户可能会利用这个漏洞，导致在具有系统权限的操作系统上执行任意可执行文件。

CVSS 7.8 · High EPSS 0.34% · P27
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I. Basic Information for CVE-2021-21518

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对搜索路径元素未加控制
Source: CVE Program / CVE List V5
Vulnerability Title
DELL Dell SupportAssist Client 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
DELL Dell SupportAssist Client是美国戴尔（DELL）公司的一款客户端应用程序。该程序提供自动化、主动和预测性技术进行故障排除等。 Dell SupportAssist Client for Business PCs 存在代码问题漏洞，该漏洞源于具有较低权限的本地用户可能会利用这个漏洞，导致在具有系统权限的操作系统上执行任意可执行文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Dell Dell SupportAssist Client unspecified ~ SACH 3.8, SACB 2.3 -

II. Public POCs for CVE-2021-21518

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III. Intelligence Information for CVE-2021-21518

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Other References for CVE-2021-21518 (1)

IV. Related Vulnerabilities

Same product: Dell SupportAssist Client
Same vendor: Dell
Same weakness: CWE-427

V. Comments for CVE-2021-21518

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