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CVE-2021-23893— Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)

Quick assessment

Affected
McAfee,LLC McAfee Drive Encryption (MDE)
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 Drive Encryption是美国迈克菲（Mcafee）公司的一个全盘加密软件，可帮助保护 Microsoft Windows 平板电脑、笔记本电脑和台式 PC 上的数据，防止敏感数据丢失，尤其是设备丢失或被盗造成的丢失。 McAfee Drive Encryption（DE）7.3.0之前版本的Windows系统驱动程序存在安全漏洞，攻击者可利用该漏洞通过未使用的内存缓冲区获得提升的系统权限。

CVSS 8.8 · High EPSS 0.15% · P4

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-23893

Vulnerability Information
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Vulnerability Title
Privilege Escalation vulnerability in McAfee Drive Encryption (MDE)
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege Escalation vulnerability in a Windows system driver of McAfee Drive Encryption (DE) prior to 7.3.0 could allow a local non-admin user to gain elevated system privileges via exploiting an unutilized memory buffer.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
特权管理不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
McAfee Drive Encryption 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mcafee McAfee Drive Encryption是美国迈克菲（Mcafee）公司的一个全盘加密软件，可帮助保护 Microsoft Windows 平板电脑、笔记本电脑和台式 PC 上的数据，防止敏感数据丢失，尤其是设备丢失或被盗造成的丢失。 McAfee Drive Encryption（DE）7.3.0之前版本的Windows系统驱动程序存在安全漏洞，攻击者可利用该漏洞通过未使用的内存缓冲区获得提升的系统权限。
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 Drive Encryption (MDE) unspecified ~ 7.3.0 HF1 -

II. Public POCs for CVE-2021-23893

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III. Intelligence Information for CVE-2021-23893

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Other References for CVE-2021-23893 (1)

IV. Related Vulnerabilities

Same product: McAfee Drive Encryption (MDE)
Same vendor: McAfee,LLC
Same weakness: CWE-269

V. Comments for CVE-2021-23893

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