CVE-2023-39983 : Security Advisory and Response

A vulnerability has been discovered in MXsecurity versions prior to v1.0.1 that could potentially allow an unauthenticated remote attacker to pollute the MXsecurity sqlite database and the nsm-web UI, enabling them to register or add devices via the nsm-web application.

Understanding CVE-2023-39983

This section will delve into the details of the CVE-2023-39983 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-39983?

CVE-2023-39983 is a vulnerability in MXsecurity versions prior to v1.0.1 that exposes the sqlite database and nsm-web UI to potential pollution by unauthenticated remote attackers. This could lead to unauthorized device registrations or additions via the nsm-web application.

The Impact of CVE-2023-39983

The vulnerability poses a medium severity risk with a CVSS base score of 5.3. An attacker exploiting this flaw could manipulate user-controlled variables, potentially compromising system integrity and security.

Technical Details of CVE-2023-39983

The following technical details shed light on the vulnerability's description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability allows unauthenticated remote attackers to pollute the MXsecurity sqlite database and the nsm-web UI. This could facilitate unauthorized device registrations or additions via the nsm-web application.

Affected Systems and Versions

MXsecurity versions prior to v1.0.1 are affected by CVE-2023-39983. Specifically, version 1.0 is susceptible to the vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability remotely without requiring any privileges. By leveraging this flaw, they can manipulate user-controlled variables and potentially disrupt system operations.

Mitigation and Prevention

This section outlines the immediate steps to take, long-term security practices, and the necessary patching and updates to safeguard against CVE-2023-39983.

Immediate Steps to Take

To mitigate the risk associated with CVE-2023-39983, users are advised to upgrade MXsecurity to version 1.1.0 or higher. This solution addresses the vulnerability and enhances system security.

Long-Term Security Practices

In addition to applying the immediate solution, organizations should prioritize regular security assessments, vulnerability scanning, and security training to bolster their overall cybersecurity posture.

Patching and Updates

Regularly update and patch the MXsecurity software to the latest versions provided by Moxa to ensure that known vulnerabilities are addressed promptly and system security is continuously improved.