CVE-2021-31831 Explained : Impact and Mitigation

A detailed overview of CVE-2021-31831, a vulnerability in McAfee Database Security (DBSec) that allows a remote attacker unauthorized access to deleted scripts.

Understanding CVE-2021-31831

This section covers the impact, technical details, and mitigation strategies related to CVE-2021-31831.

What is CVE-2021-31831?

The vulnerability in McAfee DBSec prior to version 4.8.2 enables authenticated remote attackers to access signed SQL scripts marked as deleted via the administrative console and REST API.

The Impact of CVE-2021-31831

With a CVSS base score of 4.9 (Medium severity), this vulnerability poses a risk of unauthorized access to sensitive SQL scripts, potentially leading to unauthorized data manipulation.

Technical Details of CVE-2021-31831

Explore the specifics of the vulnerability, affected systems, and exploitation methods.

Vulnerability Description

The issue stems from incorrect access control in DBSec, allowing attackers to retrieve deleted/expired SQL scripts through the REST API.

Affected Systems and Versions

McAfee Database Security versions prior to 4.8.2 are susceptible to this vulnerability.

Exploitation Mechanism

Remote attackers with authenticated access can exploit this flaw to retrieve signed SQL scripts marked as deleted/expired.

Mitigation and Prevention

Discover actionable steps to secure your systems and protect against CVE-2021-31831.

Immediate Steps to Take

Ensure immediate patching to version 4.8.2 or higher to mitigate the vulnerability and prevent unauthorized access to scripts.

Long-Term Security Practices

Implement rigorous access controls, regular security audits, and employee training to enhance overall security posture.

Patching and Updates

Regularly monitor vendor security advisories for patches and updates to address known vulnerabilities.