CVE-2019-3654

Client Proxy (MCP) - Authentication Bypass vulnerability

Severity Score

8.6

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Una vulnerabilidad de omisión de autenticación en el cliente de Microsoft Windows en McAfee Client Proxy (MCP) anterior a 3.0.0, permite al usuario local omitir el escaneo del tráfico web y conseguir acceso a sitios bloqueados por un corto período de tiempo mediante la generación de una clave de autorización en el cliente que solo debe ser generado por el administrador de la red.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-01-03 CVE Reserved
2019-11-22 CVE Published
2023-03-08 EPSS Updated
2024-08-04 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-287: Improper Authentication

CAPEC

References (1)

URL	Tag	Source
https://kc.mcafee.com/corporate/index?page=content&id=SB10305	X_refsource_misc

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Mcafee Search vendor "Mcafee"	Client Proxy Search vendor "Mcafee" for product "Client Proxy"	< 3.0.0 Search vendor "Mcafee" for product "Client Proxy" and version " < 3.0.0"	-	Affected	in	Microsoft Search vendor "Microsoft"	Windows Search vendor "Microsoft" for product "Windows"	-	-	Safe