CVE-2020-7323 : Security Advisory and Response

A vulnerability in McAfee Endpoint Security for Windows allows local users to bypass the Windows lock screen.

Understanding CVE-2020-7323

This CVE involves an Authentication Protection Bypass vulnerability in McAfee Endpoint Security for Windows.

What is CVE-2020-7323?

The vulnerability allows physical local users to bypass the Windows lock screen by triggering specific detection events while the screen is locked and McTray.exe is running with elevated privileges.

The Impact of CVE-2020-7323

CVSS Base Score: 6.9 (Medium Severity)
Confidentiality Impact: High
Integrity Impact: High
Availability Impact: Low
Attack Complexity: High
Privileges Required: None
User Interaction: Required
Scope: Changed
Attack Vector: Physical

Technical Details of CVE-2020-7323

This section provides more technical insights into the vulnerability.

Vulnerability Description

The flaw is an Authentication Protection Bypass vulnerability in McAfee Endpoint Security for Windows.

Affected Systems and Versions

Affected Product: Endpoint Security for Windows
Vendor: McAfee LLC
Affected Version: 10.7.x (prior to September 2020 Update)

Exploitation Mechanism

The issue is timing-dependent and necessitates physical access to the machine to exploit.

Mitigation and Prevention

Steps to address and prevent the vulnerability.

Immediate Steps to Take

Update McAfee Endpoint Security to version 10.7.0 September 2020 Update or later.
Monitor physical access to systems to prevent unauthorized users from exploiting the flaw.

Long-Term Security Practices

Implement strong physical security measures to restrict unauthorized access to systems.
Regularly review and update security configurations to mitigate similar vulnerabilities.

Patching and Updates

Regularly apply security patches and updates provided by McAfee to ensure system security.