CVE-2021-3535 : What You Need to Know
Discover how CVE-2021-3535 impacts Rapid7 Nexpose, allowing attackers to execute malicious scripts. Learn about prevention, mitigation, and the necessary security update.
Rapid7 Nexpose is vulnerable to a non-persistent cross-site scripting vulnerability affecting the Security Console's Filtered Asset Search feature. A specific search criterion and operator combination could allow a user to pass code through the search field. This vulnerability, assigned CVE-2021-3535, was discovered by Philipp Behmer and affects version 6.6.80 and prior but is fixed in version 6.6.81.
Understanding CVE-2021-3535
This section will delve into the details of the CVE-2021-3535 vulnerability.
What is CVE-2021-3535?
CVE-2021-3535 is a cross-site scripting vulnerability in Rapid7 Nexpose that allows attackers to execute malicious scripts on the Security Console through the Filtered Asset Search feature.
The Impact of CVE-2021-3535
The vulnerability could enable an attacker to inject malicious code, potentially leading to unauthorized access, data theft, or other security breaches.
Technical Details of CVE-2021-3535
Let's explore the technical aspects of CVE-2021-3535.
Vulnerability Description
The vulnerability in Rapid7 Nexpose arises from inadequate input validation in the Filtered Asset Search feature, allowing attackers to insert and execute malicious scripts.
Affected Systems and Versions
Rapid7 Nexpose versions prior to 6.6.81 are impacted by this vulnerability, while version 6.6.81 contains the necessary security patches.
Exploitation Mechanism
The exploit involves crafting specific search criteria and operator combinations to bypass security controls and inject malicious scripts.
Mitigation and Prevention
Learn how to address and prevent CVE-2021-3535 from compromising your system.
Immediate Steps to Take
Users are advised to update their Rapid7 Nexpose Security Console to version 6.6.81 or later to mitigate the vulnerability and enhance security.
Long-Term Security Practices
Implementing secure coding practices, regular security audits, and staff training can bolster your overall security posture.
Patching and Updates
Stay informed about security updates for Rapid7 Nexpose and ensure timely application to protect against the latest vulnerabilities.