CVE-2021-31834 : Exploit Details and Defense Strategies

A Stored Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) prior to version 5.10 CU 11 has been identified, allowing administrators to inject arbitrary web script or HTML. Here's what you need to know about CVE-2021-31834.

Understanding CVE-2021-31834

This section provides insights into the vulnerability affecting McAfee ePolicy Orchestrator (ePO), highlighting its impact and technical details.

What is CVE-2021-31834?

The CVE-2021-31834 vulnerability is a Stored Cross-Site Scripting issue in McAfee ePolicy Orchestrator (ePO) that enables administrators to inject malicious web scripts or HTML through multiple unsanitized parameters.

The Impact of CVE-2021-31834

With a CVSS base score of 3.5 (Low), this vulnerability has a low severity impact on confidentiality, integrity, and availability. However, it requires high privileges and user interaction for exploitation.

Technical Details of CVE-2021-31834

Explore the technical aspects of the CVE-2021-31834 vulnerability including its description, affected systems, versions, and exploitation mechanism.

Vulnerability Description

The Stored Cross-Site Scripting vulnerability in McAfee ePolicy Orchestrator (ePO) allows ePO administrators to inject arbitrary web scripts or HTML via multiple unsanitized parameters.

Affected Systems and Versions

The vulnerability impacts McAfee ePolicy Orchestrator (ePO) versions below 5.10 CU 11.

Exploitation Mechanism

Exploiting this vulnerability requires high privileges and user interaction, making it a low-complexity and network-based attack that changes the scope without impacting availability.

Mitigation and Prevention

Discover the immediate steps to secure your systems, adopt long-term security practices, and stay updated with necessary patches.

Immediate Steps to Take

Admins should update McAfee ePolicy Orchestrator (ePO) to version 5.10 CU 11 or later as soon as possible. Additionally, audit user inputs for potential malicious scripts.

Long-Term Security Practices

Implement input sanitization, conduct regular security training for admins, and monitor system logs for suspicious activities to enhance overall security posture.

Patching and Updates

Regularly monitor security advisories from McAfee and apply patches promptly to mitigate the risk of Stored Cross-Site Scripting attacks.