CVE-2021-36695 : What You Need to Know

Deskpro cloud and on-premise Deskpro 2021.1.6 and fixed in Deskpro 2021.1.7 contain a cross-site scripting (XSS) vulnerability in the download file feature on a manager profile due to a lack of input validation.

Understanding CVE-2021-36695

This section aims to provide insights into the CVE-2021-36695 vulnerability.

What is CVE-2021-36695?

CVE-2021-36695 is a cross-site scripting (XSS) vulnerability found in Deskpro cloud and on-premise Deskpro 2021.1.6 that was addressed in Deskpro 2021.1.7. The vulnerability exists in the download file feature on a manager profile due to inadequate input validation.

The Impact of CVE-2021-36695

This vulnerability could allow an attacker to execute malicious scripts in the context of an authenticated user, potentially leading to unauthorized access or sensitive information theft.

Technical Details of CVE-2021-36695

In this section, we explore the technical aspects of CVE-2021-36695.

Vulnerability Description

The vulnerability arises from a lack of proper input validation in the download file feature, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Deskpro cloud and on-premise Deskpro 2021.1.6 are affected by this security flaw. The issue was resolved in Deskpro 2021.1.7.

Exploitation Mechanism

Exploiting this vulnerability involves crafting and delivering a malicious file download link to a user with the manager profile to execute arbitrary scripts.

Mitigation and Prevention

To address CVE-2021-36695, consider the following mitigation strategies.

Immediate Steps to Take

Upgrade Deskpro to the latest version 2021.1.7 to patch the vulnerability.
Educate users on not downloading files from untrusted sources.

Long-Term Security Practices

Implement regular security training to raise awareness of phishing and XSS attacks.
Conduct security audits and code reviews to identify and fix vulnerabilities proactively.

Patching and Updates

Stay vigilant for security advisories from Deskpro and promptly apply patches and updates to mitigate emerging security risks.