What is the CVSS score of CVE-2019-3654?

CVE-2019-3654 has a CVSS 3.1 base score of 8.6 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 0.7%.

Client Proxy CVE-2019-3654

HIGH

Improper Authentication (CWE-287)

2019-11-22 trellixpsirt@trellix.com

Authentication Bypass Microsoft Client Proxy

8.6

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.6 HIGH

AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Nov 22, 2019 - 20:15 nvd

HIGH 8.6

DescriptionNVD

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.

AnalysisAI

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. Rated high severity (CVSS 8.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Improper Authentication (CWE-287), which allows attackers to bypass authentication mechanisms to gain unauthorized access. 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. Affected products include: Mcafee Client Proxy. Version information: prior to 3.0.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement multi-factor authentication, enforce strong password policies, use proven authentication frameworks.