CVE-2021-35203 : Security Advisory and Response

NETSCOUT Systems nGeniusONE 6.3.0 build 1196 is affected by a vulnerability that allows Arbitrary File Read operations through the FDSQueryService endpoint.

Understanding CVE-2021-35203

This CVE entry describes a security issue in NETSCOUT Systems nGeniusONE 6.3.0 build 1196 that enables unauthorized users to read arbitrary files via a specific endpoint.

What is CVE-2021-35203?

The CVE-2021-35203 vulnerability in NETSCOUT Systems nGeniusONE 6.3.0 build 1196 allows attackers to perform unauthorized read operations on arbitrary files using the FDSQueryService endpoint.

The Impact of CVE-2021-35203

Exploitation of this vulnerability could lead to unauthorized access to sensitive information stored on the affected system, compromising confidentiality and potentially causing other security risks.

Technical Details of CVE-2021-35203

This section outlines the technical details of the CVE, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in NETSCOUT Systems nGeniusONE 6.3.0 build 1196 enables attackers to read arbitrary files by leveraging the FDSQueryService endpoint, potentially exposing critical data.

Affected Systems and Versions

NETSCOUT Systems nGeniusONE 6.3.0 build 1196 is specifically impacted by this vulnerability, affecting systems running this particular version.

Exploitation Mechanism

Attackers can exploit CVE-2021-35203 by sending crafted requests to the FDSQueryService endpoint, tricking the system into disclosing the contents of arbitrary files.

Mitigation and Prevention

To address CVE-2021-35203, it's crucial to take immediate steps, adopt long-term security practices, and keep systems up to date with relevant patches and updates.

Immediate Steps to Take

Organizations should consider implementing access controls, monitoring file read activities, and restricting unauthorized access to sensitive files to mitigate the risk associated with this vulnerability.

Long-Term Security Practices

Ensuring regular security assessments, conducting penetration testing, and educating users about phishing attacks can enhance the overall security posture and prevent similar vulnerabilities.

Patching and Updates

It is highly recommended to apply security patches provided by NETSCOUT Systems promptly and keep the nGeniusONE software updated to prevent exploitation of CVE-2021-35203.