CVE-2021-35198 : Security Advisory and Response

NETSCOUT nGeniusONE 6.3.0 build 1004 and earlier versions are prone to Stored Cross-Site Scripting (XSS) in the Packet Analysis module. This vulnerability is tracked as CVE-2021-35198.

Understanding CVE-2021-35198

This section will provide insights into the nature and impact of the CVE-2021-35198 vulnerability.

What is CVE-2021-35198?

NETSCOUT nGeniusONE 6.3.0 build 1004 and earlier suffer from a Stored Cross-Site Scripting (XSS) vulnerability in the Packet Analysis module. This flaw could allow an attacker to execute malicious scripts in a victim's browser, leading to unauthorized actions.

The Impact of CVE-2021-35198

The XSS vulnerability in NETSCOUT nGeniusONE can result in an attacker injecting code into web pages viewed by other users. This may lead to data theft, session hijacking, or other malicious activities.

Technical Details of CVE-2021-35198

This section will delve into the technical aspects of the CVE-2021-35198 vulnerability.

Vulnerability Description

The vulnerability in NETSCOUT nGeniusONE 6.3.0 build 1004 allows stored XSS, enabling attackers to inject and execute malicious scripts within the context of an authenticated user.

Affected Systems and Versions

NETSCOUT nGeniusONE versions up to 6.3.0 build 1004 are impacted by this XSS vulnerability in the Packet Analysis module.

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting and submitting malicious content that gets stored and executed whenever a user accesses the affected application.

Mitigation and Prevention

This section covers the steps to mitigate and prevent the exploitation of CVE-2021-35198.

Immediate Steps to Take

Users are advised to restrict access to vulnerable systems, update to a patched version, and implement strict input validation mechanisms to prevent XSS attacks.

Long-Term Security Practices

Regular security assessments, employee training on secure coding practices, and implementing content security policies can enhance the overall security posture against XSS vulnerabilities.

Patching and Updates

NETSCOUT has released security advisories addressing the XSS vulnerability in nGeniusONE. Users should promptly apply the latest patches and updates to protect their systems from potential exploitation.