Learn about CVE-2021-37465, a Cross-Site Scripting (XSS) flaw in NCH Quorum v2.03 allowing attackers to execute malicious scripts via URL injection. Find out impact, mitigation, and prevention steps.
A Cross-Site Scripting (XSS) vulnerability exists in NCH Quorum v2.03 and earlier versions through a reflected XSS attack vector.
Understanding CVE-2021-37465
This CVE describes a security issue present in NCH Quorum v2.03 and older versions, allowing attackers to execute malicious scripts through a specific URL injection.
What is CVE-2021-37465?
The vulnerability in NCH Quorum v2.03 and earlier exposes a reflected XSS flaw, accessible via the /uploaddoc?id= URL.
The Impact of CVE-2021-37465
Exploitation of this vulnerability could lead to unauthorized access to sensitive information, manipulation of user sessions, or defacement of web content hosted by affected instances of NCH Quorum.
Technical Details of CVE-2021-37465
This section delves into the specifics of the vulnerability, including the affected systems, how it can be exploited, and the potential consequences.
Vulnerability Description
The XSS vulnerability in NCH Quorum v2.03 and earlier versions allows attackers to inject and execute malicious scripts when the /uploaddoc?id= URL is manipulated.
Affected Systems and Versions
The affected systems include NCH Quorum v2.03 and prior versions. Users of these versions are at risk of exploitation if proper mitigation measures are not implemented.
Exploitation Mechanism
By injecting malicious code into the /uploaddoc?id= URL, threat actors can trick users into executing scripts unknowingly, leading to various security breaches.
Mitigation and Prevention
To protect systems from CVE-2021-37465, immediate steps should be taken along with long-term security practices and timely patching and updates.
Immediate Steps to Take
Users should apply security patches released by NCH Software to address the XSS vulnerability promptly. Additionally, monitoring for any suspicious activities on the network is recommended.
Long-Term Security Practices
Implement strict input validation mechanisms, conduct regular security audits, and educate users on safe browsing habits to mitigate XSS vulnerabilities effectively.
Patching and Updates
Regularly check for software updates from NCH Quorum and apply patches as soon as they are released to ensure the latest security fixes are in place.