CVE-2021-31852 : Vulnerability Insights and Analysis

A detailed overview of CVE-2021-31852, a Cross-Site Scripting vulnerability in McAfee Policy Auditor prior to version 6.5.2 that allows remote attackers to inject arbitrary web script or HTML, potentially leading to unauthorized access.

Understanding CVE-2021-31852

This section provides insights into the nature of the vulnerability and its potential impact.

What is CVE-2021-31852?

CVE-2021-31852 refers to a Reflected Cross-Site Scripting vulnerability in McAfee Policy Auditor prior to version 6.5.2. This flaw enables remote unauthenticated attackers to insert malicious scripts via the UID request parameter, which can be reflected in the Policy Auditor web interface, posing a risk of session token or login credentials extraction.

The Impact of CVE-2021-31852

The vulnerability could permit threat actors to execute arbitrary cross-domain requests, access sensitive user information, or compromise the security of additional applications by leveraging the injected web scripts.

Technical Details of CVE-2021-31852

Explore the technical aspects related to the CVE-2021-31852 vulnerability.

Vulnerability Description

The vulnerability arises due to improper input neutralization in web page generation, allowing attackers to execute Cross-Site Scripting attacks through unauthorized web script injection.

Affected Systems and Versions

McAfee Policy Auditor versions prior to 6.5.2 are susceptible to this vulnerability, as attackers can exploit the UID request parameter to inject malicious scripts.

Exploitation Mechanism

The exploitability of this vulnerability lies in the ability of remote unauthenticated attackers to inject and reflect arbitrary web scripts or HTML through the UID request parameter, potentially compromising user sessions and login credentials.

Mitigation and Prevention

Discover the steps and practices to mitigate the risks associated with CVE-2021-31852.

Immediate Steps to Take

Users are advised to update McAfee Policy Auditor to version 6.5.2 or above to eliminate the vulnerability and prevent unauthorized script injections.

Long-Term Security Practices

Implement secure coding practices, conduct regular security audits, and educate users to recognize and avoid suspicious links to prevent similar Cross-Site Scripting vulnerabilities.

Patching and Updates

Stay informed about security updates from McAfee, apply patches promptly, and maintain proactive monitoring to safeguard systems against emerging threats.