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CVE-2021-23878— Clear text storage of sensitive Information in ENS

Quick assessment

Affected
McAfee LLC Endpoint Security (ENS) 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 Endpoint Security（ENS）是美国迈克菲（Mcafee）公司的一套提供智能协作和先进的威胁防御的框架。该框架支持对实时通信的整个威胁防御生命周期进行控制并进行可操作的威胁取证等。 McAfee Endpoint Security中存在加密问题漏洞，该漏洞源于允许本地用户在ENS管理员执行特定操作后通过访问进程内存查看ENS设置和凭据。

CVSS 7.3 · High EPSS 0.62% · P48

Possible ATT&CK Techniques 1 AI

T1005 · Data from Local System
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I. Basic Information for CVE-2021-23878

Vulnerability Information
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Vulnerability Title
Clear text storage of sensitive Information in ENS
Source: CVE Program / CVE List V5
Vulnerability Description
Clear text storage of sensitive Information in memory vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows a local user to view ENS settings and credentials via accessing process memory after the ENS administrator has performed specific actions. To exploit this, the local user has to access the relevant memory location immediately after an ENS administrator has made a configuration change through the console on their machine
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
敏感数据的明文存储
Source: CVE Program / CVE List V5
Vulnerability Title
迈克菲 McAfee Endpoint Security 加密问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee McAfee Endpoint Security（ENS）是美国迈克菲（Mcafee）公司的一套提供智能协作和先进的威胁防御的框架。该框架支持对实时通信的整个威胁防御生命周期进行控制并进行可操作的威胁取证等。 McAfee Endpoint Security中存在加密问题漏洞，该漏洞源于允许本地用户在ENS管理员执行特定操作后通过访问进程内存查看ENS设置和凭据。
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 Endpoint Security (ENS) for Windows 10.7.x ~ 10.7.0 February 2021 -

II. Public POCs for CVE-2021-23878

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III. Intelligence Information for CVE-2021-23878

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Other References for CVE-2021-23878 (1)

Same Patch Batch · McAfee LLC · 2021-02-10 · 5 CVEs total

CVE-2021-23882 8.2 HIGH Improper Access Control in the ENS installer
CVE-2021-23880 6.7 MEDIUM Improper Access Control in the ENS installer
CVE-2021-23881 4.8 MEDIUM Stored Cross Site Scripting in ENS
CVE-2021-23883 4.0 MEDIUM Null Pointer Dereference vulnerability in McAfee Endpoint Security (ENS)

IV. Related Vulnerabilities

Same product: Endpoint Security (ENS) for Windows
Same vendor: McAfee LLC
Same weakness: CWE-312

V. Comments for CVE-2021-23878

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