CVE-2021-35229 : Exploit Details and Defense Strategies

This article provides insights into CVE-2021-35229, a cross-site scripting vulnerability found in SolarWinds Database Performance Monitor 2022.1.7779 and earlier versions when complex SQL queries are used.

Understanding CVE-2021-35229

CVE-2021-35229 is a medium-severity vulnerability impacting SolarWinds Database Performance Monitor due to a cross-site scripting flaw that can be exploited when utilizing intricate SQL queries.

What is CVE-2021-35229?

The CVE-2021-35229 is a high complexity, network-based vulnerability that can result in high confidentiality impact. It requires no user interaction and affects the integrity of the system.

The Impact of CVE-2021-35229

With a base score of 6.8, this vulnerability poses a medium threat, allowing attackers to execute malicious scripts in the context of the victim's session, potentially leading to sensitive data exposure.

Technical Details of CVE-2021-35229

This section covers the specifics of the vulnerability, including affected systems and the exploitation mechanism.

Vulnerability Description

CVE-2021-35229 arises from a cross-site scripting flaw in SolarWinds Database Performance Monitor 2022.1.7779 and prior versions triggered by intricate SQL queries.

Affected Systems and Versions

The vulnerability impacts SolarWinds Database Performance Monitor versions up to 2022.1, specifically version 2022.1.7779 and earlier.

Exploitation Mechanism

Exploiting this vulnerability involves injecting malicious scripts via complex SQL queries, allowing attackers to execute unauthorized actions in the context of the affected user.

Mitigation and Prevention

To address CVE-2021-35229, immediate action and long-term security practices are crucial.

Immediate Steps to Take

SolarWinds recommends users to upgrade to the latest version once it becomes available to mitigate the risk of exploitation.

Long-Term Security Practices

Implement secure coding practices, perform regular security assessments, and stay informed about software updates to enhance the overall security posture.

Patching and Updates

Regularly apply patches and updates provided by SolarWinds to ensure that your Database Performance Monitor is protected against known vulnerabilities.