CVE-2021-30213 : Security Advisory and Response

Knowage Suite 7.3 is vulnerable to unauthenticated reflected cross-site scripting (XSS) where an attacker can inject arbitrary web script via the 'targetService' parameter in '/servlet/AdapterHTTP'.

Understanding CVE-2021-30213

This CVE identifies a security vulnerability in Knowage Suite 7.3 that allows unauthenticated attackers to perform cross-site scripting attacks.

What is CVE-2021-30213?

The CVE-2021-30213 vulnerability in Knowage Suite 7.3 enables attackers to execute malicious scripts on the target web application by exploiting a lack of input validation in the 'targetService' parameter of '/servlet/AdapterHTTP'.

The Impact of CVE-2021-30213

Exploitation of this vulnerability can lead to unauthorized access to sensitive information, session hijacking, and potential compromise of user data on affected systems running Knowage Suite 7.3.

Technical Details of CVE-2021-30213

Knowage Suite 7.3 is susceptible to unauthenticated reflected cross-site scripting due to insufficient sanitization of user-supplied input, allowing malicious scripts injection.

Vulnerability Description

The vulnerability allows attackers to craft a specially designed URL containing malicious scripts, which, when clicked by a user, get executed within the context of the target website, leading to various possible attacks.

Affected Systems and Versions

Product: Knowage Suite 7.3
Vendor: n/a
Version: n/a

Exploitation Mechanism

Attackers can exploit this vulnerability by sending malicious links containing the crafted 'targetService' parameter to unsuspecting users of Knowage Suite 7.3, leading to script execution in the user's context.

Mitigation and Prevention

To protect your systems from CVE-2021-30213, follow these recommended security measures:

Immediate Steps to Take

Apply security patches provided by the vendor to address the XSS vulnerability in Knowage Suite 7.3.
Educate users about the risks of clicking on unknown or suspicious links to minimize the chances of exploitation.

Long-Term Security Practices

Implement secure coding practices and input validation mechanisms within web applications to mitigate XSS vulnerabilities.
Regularly update and monitor your web applications for security patches and fixes to stay protected against emerging threats.

Patching and Updates

Stay informed about security updates released by the vendor for Knowage Suite 7.3 and promptly apply them to safeguard your systems from potential cross-site scripting attacks.