CVE-2021-31521 Explained : Impact and Mitigation
Stay informed about CVE-2021-31521, a reflected XSS vulnerability in Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2. Learn about the impact, technical details, and mitigation steps.
A detailed insight into CVE-2021-31521, a reflected cross-site scripting (XSS) vulnerability found in Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2.
Understanding CVE-2021-31521
This section will provide an overview of the vulnerability and its impact.
What is CVE-2021-31521?
CVE-2021-31521 is a reflected cross-site scripting (XSS) vulnerability discovered in Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2. The vulnerability exists in the product's Captive Portal.
The Impact of CVE-2021-31521
The exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim's browser, potentially leading to the theft of sensitive information or unauthorized actions.
Technical Details of CVE-2021-31521
Explore the specifics of the vulnerability in this section.
Vulnerability Description
The vulnerability arises due to insufficient sanitization of user-supplied input through the Captive Portal of Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2.
Affected Systems and Versions
The affected product is Trend Micro InterScan Web Security Virtual Appliance version 6.5 SP2.
Exploitation Mechanism
An attacker can exploit this vulnerability by tricking a user into clicking a specially crafted link that executes malicious scripts within the user's browser.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-31521.
Immediate Steps to Take
Users are advised to update the Trend Micro InterScan Web Security Virtual Appliance to a patched version provided by Trend Micro. Additionally, users should exercise caution while clicking on untrusted links.
Long-Term Security Practices
Implement robust input validation mechanisms and security controls to prevent XSS vulnerabilities in web applications.
Patching and Updates
Regularly monitor security advisories from Trend Micro and apply security patches promptly to safeguard against known vulnerabilities.