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CVE-2021-23873— McAfee Total Protection (MTP) privilege escalation vulnerability

Quick assessment

Affected
McAfee,LLC McAfee Total Protection (MTP)
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 Total Protection（MTP）是美国迈克菲（McAfee）公司的一套防病毒软件。 McAfee Total Protection中存在后置链接漏洞，该漏洞源于网络系统或产品缺乏有效的权限许可和访问控制措施。

CVSS 7.8 · High EPSS 0.65% · P50
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I. Basic Information for CVE-2021-23873

Vulnerability Information
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Vulnerability Title
McAfee Total Protection (MTP) privilege escalation vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Privilege Escalation vulnerability in McAfee Total Protection (MTP) prior to 16.0.30 allows a local user to gain elevated privileges and perform arbitrary file deletion as the SYSTEM user potentially causing Denial of Service via manipulating Junction link, after enumerating certain files, at a specific time.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: CVE Program / CVE List V5
Vulnerability Title
迈克菲 McAfee Total Protection 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
McAfee Total Protection（MTP）是美国迈克菲（McAfee）公司的一套防病毒软件。 McAfee Total Protection中存在后置链接漏洞，该漏洞源于网络系统或产品缺乏有效的权限许可和访问控制措施。
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 Total Protection (MTP) unspecified ~ 16.0.30 -

II. Public POCs for CVE-2021-23873

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III. Intelligence Information for CVE-2021-23873

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Vendor Advisories for CVE-2021-23873 (1)

Other References for CVE-2021-23873 (1)

Same Patch Batch · McAfee,LLC · 2021-02-10 · 3 CVEs total

CVE-2021-23874 8.2 HIGH McAfee Total Protection (MTP) privilege escalation vulnerability
CVE-2021-23876 7.8 HIGH McAfee Total Protection (MTP) Bypass Remote Procedure call vulnerability

IV. Related Vulnerabilities

Same product: McAfee Total Protection (MTP)
Same vendor: McAfee,LLC
Same weakness: CWE-59

V. Comments for CVE-2021-23873

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