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CVE-2021-31854— Code injection vulnerability in McAfee Agent

Quick assessment

Affected
McAfee,LLC McAfee Agent for Windows
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.

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 存在操作系统命令注入漏洞，该漏洞源于允许本地用户注入任意shell代码到文件cleanup.exe。恶意clean.exe文件被放置到相关的文件夹中，并通过运行位于系统树中的McAfee Agent部署来执行。攻击者可利用该漏洞获取反向shell从而导致权限升级以获取根权限。

CVSS 7.7 · High EPSS 1.01% · P62
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I. Basic Information for CVE-2021-31854

Vulnerability Information
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Vulnerability Title
Code injection vulnerability in McAfee Agent
Source: CVE Program / CVE List V5
Vulnerability Description
A command Injection Vulnerability in McAfee Agent (MA) for Windows prior to 5.7.5 allows local users to inject arbitrary shell code into the file cleanup.exe. The malicious clean.exe file is placed into the relevant folder and executed by running the McAfee Agent deployment feature located in the System Tree. An attacker may exploit the vulnerability to obtain a reverse shell which can lead to privilege escalation to obtain root privileges.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
OS命令中使用的特殊元素转义处理不恰当(OS命令注入)
Source: CVE Program / CVE List V5
Vulnerability Title
Mcafee McAfee Agent 操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
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 存在操作系统命令注入漏洞，该漏洞源于允许本地用户注入任意shell代码到文件cleanup.exe。恶意clean.exe文件被放置到相关的文件夹中，并通过运行位于系统树中的McAfee Agent部署来执行。攻击者可利用该漏洞获取反向shell从而导致权限升级以获取根权限。
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
McAfee,LLC McAfee Agent for Windows unspecified ~ 5.7.5 -

II. Public POCs for CVE-2021-31854

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III. Intelligence Information for CVE-2021-31854

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Other References for CVE-2021-31854 (1)

IV. Related Vulnerabilities

Same product: McAfee Agent for Windows
Same vendor: McAfee,LLC
Same weakness: CWE-78

V. Comments for CVE-2021-31854

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