CVE-2021-31830 : What You Need to Know

This CVE-2021-31830 article provides an overview of a Cross-site Scripting (XSS) vulnerability found in McAfee Database Security (DBSec) software.

Understanding CVE-2021-31830

In this section, we will delve into the details of CVE-2021-31830.

What is CVE-2021-31830?

The CVE-2021-31830 pertains to an 'Improper Neutralization of Input During Web Page Generation' vulnerability in McAfee Database Security (DBSec) prior to version 4.8.2. It allows an administrator to inject JavaScript code when configuring a monitored database's name, potentially impacting authorized users who access the DBSec interface.

The Impact of CVE-2021-31830

The vulnerability poses a medium severity threat with a CVSS base score of 5.9. It has a high impact on confidentiality and integrity, requiring high privileges to exploit, and user interaction is required for successful attacks.

Technical Details of CVE-2021-31830

This section elaborates on the technical aspects of CVE-2021-31830.

Vulnerability Description

The vulnerability arises from inadequate input validation during web page generation, leading to potential cross-site scripting attacks within the DBSec software.

Affected Systems and Versions

McAfee Database Security (DBSec) versions prior to 4.8.2 are vulnerable to this exploit.

Exploitation Mechanism

An attacker with high privileges can embed malicious JavaScript code into the monitored database name, triggering the script when an authorized user accesses the properties configuration page.

Mitigation and Prevention

Discover effective measures to mitigate the risks associated with CVE-2021-31830.

Immediate Steps to Take

Administrators should update McAfee DBSec to version 4.8.2 or later to eliminate the vulnerability. Additionally, monitor and restrict access to the DBSec interface.

Long-Term Security Practices

Enforce strict input validation protocols, conduct regular security audits, and educate users on safe configuration practices to prevent XSS vulnerabilities.

Patching and Updates

Stay informed about security patches and updates released by McAfee, ensuring timely application to safeguard against known vulnerabilities.