CVE-2021-37463 : Security Advisory and Response

A Cross-Site Scripting (XSS) vulnerability was identified in NCH Quorum v2.03 and earlier versions that allows malicious actors to execute script code in a victim's web browser.

Understanding CVE-2021-37463

This CVE refers to a security flaw in NCH Quorum that could be exploited through a user's display name, potentially leading to XSS attacks.

What is CVE-2021-37463?

The CVE-2021-37463 vulnerability exists in NCH Quorum v2.03 and earlier, enabling attackers to inject and execute malicious scripts via the user display name, posing a risk to users' data security.

The Impact of CVE-2021-37463

Exploitation of this vulnerability could result in unauthorized access to sensitive information, session hijacking, defacement of web pages, or other malicious activities initiated by the attacker.

Technical Details of CVE-2021-37463

The technical details of CVE-2021-37463 involve the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The XSS flaw in NCH Quorum v2.03 and prior versions stems from improper sanitization of user input in the user display name field, leading to script injection and execution in the user's browser.

Affected Systems and Versions

NCH Quorum versions up to v2.03 are impacted by this vulnerability, putting users of these versions at risk of XSS attacks through manipulated user display names.

Exploitation Mechanism

Malicious actors can exploit CVE-2021-37463 by crafting a user display name containing malicious scripts, which when executed, can compromise the user's browser and potentially their system.

Mitigation and Prevention

To address CVE-2021-37463, users and organizations should take immediate steps, adopt long-term security practices, and ensure timely patching and updates.

Immediate Steps to Take

Users should refrain from inputting suspicious characters in the user display name field and avoid clicking on unfamiliar links to mitigate the risk of XSS attacks.

Long-Term Security Practices

Implementing secure-coding practices, conducting regular security assessments, and maintaining awareness of emerging vulnerabilities are crucial for enhancing overall cybersecurity.

Patching and Updates

NCH Quorum users are advised to update to the latest patched version and stay informed about security patches released by the vendor to safeguard against potential exploits.