CVE-2021-31838— Command injection through environment variable in MVISION EDR
Quick assessment
Affected
McAfee,LLC MVISION EDR
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 MVISION EDR是美国迈克菲（McAfee）公司的一款EDR产品，它收集终端操作日志并通过AI对其进行分析，以检测恶意操作并采取对策。 McAfee MVISION EDR 存在操作系统命令注入漏洞，该漏洞允许经过身份验证的 MVEDR 管理员触发 EDR 客户端使用 EDR 功能“执行反应”通过 PowerShell 执行任意命令。
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I. Basic Information for CVE-2021-31838
Vulnerability Information
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Vulnerability Title
Command injection through environment variable in MVISION EDR
Source: CVE Program / CVE List V5
Vulnerability Description
A command injection vulnerability in MVISION EDR (MVEDR) prior to 3.4.0 allows an authenticated MVEDR administrator to trigger the EDR client to execute arbitrary commands through PowerShell using the EDR functionality 'execute reaction'.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:H/UI:N/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 MVISION EDR 操作系统操作系统命令注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
McAfee MVISION EDR是美国迈克菲（McAfee）公司的一款EDR产品，它收集终端操作日志并通过AI对其进行分析，以检测恶意操作并采取对策。 McAfee MVISION EDR 存在操作系统命令注入漏洞，该漏洞允许经过身份验证的 MVEDR 管理员触发 EDR 客户端使用 EDR 功能“执行反应”通过 PowerShell 执行任意命令。
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 | MVISION EDR | unspecified ~ 3.4.0 | - |
|
II. Public POCs for CVE-2021-31838
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-31838 (1)
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10342 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same vendor: McAfee,LLC
Same weakness: CWE-78
V. Comments for CVE-2021-31838
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