CVE-2021-31839— Incorrect permissions on McAfee Agent for Windows event folder
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 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 5.7.3之前版本中存在安全漏洞。该漏洞源于不适当的权限管理，该漏洞允许本地攻击者修改MA事件文件夹中的事件信息。
Possible ATT&CK Techniques 1 AI
T1070.003 · Clear Command History
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I. Basic Information for CVE-2021-31839
Vulnerability Information
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Vulnerability Title
Incorrect permissions on McAfee Agent for Windows event folder
Source: CVE Program / CVE List V5
Vulnerability Description
Improper privilege management vulnerability in McAfee Agent for Windows prior to 5.7.3 allows a local user to modify event information in the MA event folder. This allows a local user to either add false events or remove events from the event logs prior to them being sent to the ePO server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
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 5.7.3之前版本中存在安全漏洞。该漏洞源于不适当的权限管理，该漏洞允许本地攻击者修改MA事件文件夹中的事件信息。
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 ~ 5.7.3 | - |
|
II. Public POCs for CVE-2021-31839
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-31839 (1)
-
https://kc.mcafee.com/corporate/index?page=content&id=SB10362 x_refsource_CONFIRM
IV. Related Vulnerabilities
Same product: McAfee Agent for Windows
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Same weakness: CWE-269
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V. Comments for CVE-2021-31839
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