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I. Basic Information for CVE-2021-31847
Vulnerability Information

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Vulnerability Title
Improper privilege management in repair process of MA for Windows
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper access control vulnerability in the repair process for McAfee Agent for Windows prior to 5.7.4 could allow a local attacker to perform a DLL preloading attack using unsigned DLLs. This would result in elevation of privileges and the ability to execute arbitrary code as the system user, through not correctly protecting a temporary directory used in the repair process and not checking the DLL signature.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mcafee McAfee Agent 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee McAfee Agent(MA)是美国迈克菲(Mcafee)公司的一套提供了ePolicy Orchestrator(杀毒软件管理平台)与被管理产品之间的安全通信的客户端组件。 McAfee Agent for Windows 5.7.4之前版本的repair进程存在安全漏洞,该漏洞源于没有正确保护修复过程中使用的临时目录,也没有检查DLL签名。攻击者可利用该漏洞通过未签名的DLL执行DLL预加载攻击,导致特权的提升和执行任意代码。
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
VendorProductAffected VersionsCPESubscribe
McAfee,LLCMcAfee Agent for Windows unspecified ~ 5.7.4 -
II. Public POCs for CVE-2021-31847
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III. Intelligence Information for CVE-2021-31847
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IV. Related Vulnerabilities
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