CVE-2020-7333 : Security Advisory and Response

A cross-site scripting vulnerability in the firewall ePO extension of McAfee Endpoint Security (ENS) prior to version 10.7.0 November 2020 Update allows injection of arbitrary web script or HTML.

Understanding CVE-2020-7333

This CVE involves a security issue in McAfee Endpoint Security (ENS) that could be exploited by attackers to inject malicious scripts or HTML code.

What is CVE-2020-7333?

CVE-2020-7333 is a cross-site scripting vulnerability found in the firewall ePO extension of McAfee Endpoint Security (ENS) before version 10.7.0 November 2020 Update. This vulnerability enables administrators to insert unauthorized web scripts or HTML through the configuration wizard.

The Impact of CVE-2020-7333

The impact of this vulnerability is rated as medium severity with a CVSS base score of 4.8. It requires high privileges for exploitation and user interaction is necessary. The attack complexity is low, and the confidentiality and integrity impacts are both low. The scope is changed, and the attack vector is through the network.

Technical Details of CVE-2020-7333

This section provides more in-depth technical details about the vulnerability.

Vulnerability Description

The vulnerability allows administrators to inject arbitrary web script or HTML via the configuration wizard in McAfee Endpoint Security (ENS) before version 10.7.0 November 2020 Update.

Affected Systems and Versions

Product: Endpoint Security for Windows
Vendor: McAfee, LLC
Versions Affected: <= 10.7.0 September 2020 Update

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious web scripts or HTML code through the configuration wizard of the firewall ePO extension.

Mitigation and Prevention

Protecting systems from CVE-2020-7333 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update McAfee Endpoint Security to version 10.7.0 November 2020 Update or later.
Monitor and restrict administrator access to prevent unauthorized script injections.

Long-Term Security Practices

Regularly update security software and patches to address known vulnerabilities.
Educate administrators on secure configuration practices to mitigate XSS risks.

Patching and Updates

Apply security patches and updates provided by McAfee to fix the vulnerability in Endpoint Security.