CVE-2021-23882— Improper Access Control in the ENS installer
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I. Basic Information for CVE-2021-23882
Vulnerability Information
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Vulnerability Title
Improper Access Control in the ENS installer
Source: NVD (National Vulnerability Database)
Vulnerability Description
Improper Access Control vulnerability in McAfee Endpoint Security (ENS) for Windows prior to 10.7.0 February 2021 Update allows local administrators to prevent the installation of some ENS files by placing carefully crafted files where ENS will be installed. This is only applicable to clean installations of ENS as the Access Control rules will prevent modification prior to up an upgrade.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
迈克菲 McAfee Endpoint Security 访问控制错误漏洞
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中存在安全漏洞，该漏洞源于允许本地管理员可以通过将精心编制的文件放置在将安装ENS的位置来阻止某些ENS文件的安装。
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-2021-23882
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://kc.mcafee.com/corporate/index?page=content&id=SB10345x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-23882
Same Patch Batch · McAfee LLC · 2021-02-10 · 5 CVEs total
| CVE-2021-23878 | 7.3 HIGH | Clear text storage of sensitive Information in ENS |
| 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 vendor: McAfee LLC
- CVE-2021-23881
Stored Cross Site Scripting in ENS - CVE-2021-23883
Null Pointer Dereference vulnerability in McAfee Endpoint Se - CVE-2021-23880
Improper Access Control in the ENS installer - CVE-2021-23878
Clear text storage of sensitive Information in ENS - CVE-2020-7315
DLL Injection vulnerability in MA for Windows
Same weakness: CWE-269
- CVE-2026-42562
Plainpad: Privilege Escalation via Writable Admin Field in P - CVE-2026-41163
bubblewrap vulnerable to privilege escalation in setuid mode - CVE-2026-44987
SysReptor: Privilege Escalation from User Admin to Superuser - CVE-2026-42185
People: Privilege Escalation via Missing Role Ceiling in Mai - CVE-2026-40001
Local privilege escalation vulnerability in ZTE PROCESS Guar
V. Comments for CVE-2021-23882
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