CVE-2021-34815 : What You Need to Know

CheckSec Canopy before 3.5.2 is vulnerable to cross-site scripting (XSS) attacks on the login page through the LOGIN_PAGE_DISCLAIMER parameter.

Understanding CVE-2021-34815

This CVE describes a security issue in CheckSec Canopy that can be exploited by attackers to launch XSS attacks on the login page.

What is CVE-2021-34815?

CVE-2021-34815 refers to a specific vulnerability in CheckSec Canopy that allows malicious actors to execute cross-site scripting attacks by manipulating the LOGIN_PAGE_DISCLAIMER parameter on the login page.

The Impact of CVE-2021-34815

The impact of this vulnerability is significant as it can be exploited by attackers to inject malicious scripts into the login page, potentially leading to unauthorized access or other security breaches.

Technical Details of CVE-2021-34815

This section provides more in-depth technical details about the CVE.

Vulnerability Description

The vulnerability in CheckSec Canopy before version 3.5.2 arises from improper handling of user input in the LOGIN_PAGE_DISCLAIMER parameter, enabling malicious users to insert harmful scripts.

Affected Systems and Versions

All versions of CheckSec Canopy prior to 3.5.2 are affected by this vulnerability, making them susceptible to XSS attacks via the login page.

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious scripts into the LOGIN_PAGE_DISCLAIMER parameter on the login page, tricking unsuspecting users into executing them.

Mitigation and Prevention

Protecting systems from CVE-2021-34815 requires immediate action and long-term security measures.

Immediate Steps to Take

Security teams should update CheckSec Canopy to version 3.5.2 or newer to mitigate the risk of XSS attacks via the login page. Additionally, users should be cautious while interacting with the login page to avoid executing any malicious scripts.

Long-Term Security Practices

Implementing strict input validation and sanitization practices can help prevent similar XSS vulnerabilities in the future. Security awareness training for users can also mitigate the risk of successful exploitation.

Patching and Updates

Regularly applying security patches and updates provided by CheckSec for Canopy is crucial to ensure protection against known vulnerabilities like CVE-2021-34815.