CVE-2023-5627 : Vulnerability Insights and Analysis

This CVE-2023-5627 involves a vulnerability identified in the NPort 6000 Series, affecting the authentication mechanism. This vulnerability is attributed to the incorrect implementation of sensitive information protection, potentially allowing unauthorized access to the web service by malicious users. The CVE was published on November 1, 2023, by Moxa.

Understanding CVE-2023-5627

This section delves deeper into the details and implications of CVE-2023-5627.

What is CVE-2023-5627?

The vulnerability in CVE-2023-5627 stems from the flawed implementation of sensitive information protection within the NPort 6000 Series. Specifically, it makes the authentication mechanism vulnerable, posing a risk of unauthorized access to the web service.

The Impact of CVE-2023-5627

The impact of this vulnerability is categorized under CAPEC-114: Authentication Abuse. Such exploitation could lead to a compromise of confidentiality, allowing threat actors to gain access to sensitive data.

Technical Details of CVE-2023-5627

Let's explore the technical aspects of CVE-2023-5627 to gain a better understanding of the issue.

Vulnerability Description

The vulnerability in CVE-2023-5627 arises from the incorrect implementation of authentication algorithms, potentially exposing the NPort 6000 Series to unauthorized access.

Affected Systems and Versions

The affected product is the NPort 6000 Series by Moxa, specifically version 1.0 with a custom version type up to version 1.21.

Exploitation Mechanism

The vulnerability can be exploited remotely with low complexity, making it a high-severity issue. Attackers can abuse this flaw without requiring privileges or user interaction, impacting confidentiality.

Mitigation and Prevention

It is crucial to take immediate steps to address CVE-2023-5627 and implement long-term security practices to prevent such vulnerabilities in the future.

Immediate Steps to Take

Ensure affected systems are updated to FWR v2.0 or subsequent versions.
For users still on version 1.x, refer to Moxa's Hardening Guide for specific actions:
Upgrade to the newest firmware version.
Disable the HTTP console to mitigate the risk.

Long-Term Security Practices

Maintain a proactive approach to cybersecurity by regularly updating firmware, implementing secure authentication practices, and conducting vulnerability assessments to detect and remediate any security gaps.

Patching and Updates

Refer to the provided solutions by Moxa to address the vulnerability, ensuring that the affected systems are secure and protected from potential exploitation.