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CVE-2019-3654— Client Proxy (MCP) - Authentication Bypass vulnerability

Quick assessment

Affected
McAfee Client Proxy (MCP)
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 Client Proxy（MCP）是美国迈克菲（McAfee）公司的一款McAfee Web Protection Web安全解决方案中的客户端代理程序。 McAfee MCP 3.0.0之前版本（Windows）中的存在身份验证绕过漏洞。本地攻击者可利用该漏洞绕过网络流量扫描并访问被限制的网站。

CVSS 5.3 · Medium EPSS 0.66% · P49
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I. Basic Information for CVE-2019-3654

Vulnerability Information
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Vulnerability Title
Client Proxy (MCP) - Authentication Bypass vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Authentication Bypass vulnerability in the Microsoft Windows client in McAfee Client Proxy (MCP) prior to 3.0.0 allows local user to bypass scanning of web traffic and gain access to blocked sites for a short period of time via generating an authorization key on the client which should only be generated by the network administrator.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
McAfee Client Proxy 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
McAfee Client Proxy（MCP）是美国迈克菲（McAfee）公司的一款McAfee Web Protection Web安全解决方案中的客户端代理程序。 McAfee MCP 3.0.0之前版本（Windows）中的存在身份验证绕过漏洞。本地攻击者可利用该漏洞绕过网络流量扫描并访问被限制的网站。
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 Client Proxy (MCP) unspecified ~ 3.0.0 -

II. Public POCs for CVE-2019-3654

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III. Intelligence Information for CVE-2019-3654

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Other References for CVE-2019-3654 (1)

IV. Related Vulnerabilities

Same vendor: McAfee

V. Comments for CVE-2019-3654

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