CVE-2023-34215 : What You Need to Know

A detailed analysis of CVE-2023-34215 highlighting the vulnerability, impact, technical details, and mitigation steps.

Understanding CVE-2023-34215

In this section, we will delve into the specifics of CVE-2023-34215, a vulnerability affecting Moxa's TN-5900 Series firmware versions.

What is CVE-2023-34215?

TN-5900 Series firmware versions v3.3 and prior are vulnerable to a command-injection flaw due to insufficient input validation and improper authentication in the certification-generation function. This could enable malicious actors to execute remote code on affected devices.

The Impact of CVE-2023-34215

The vulnerability, identified as CAPEC-248 Command Injection, holds a CVSS base score of 7.2 (High severity). It poses risks of high confidentiality, integrity, and availability impacts, requiring high privileges for exploitation over a network without user interaction.

Technical Details of CVE-2023-34215

This section covers detailed technical aspects of the CVE.

Vulnerability Description

The vulnerability stems from inadequate input validation and authentication in the certification-generation function of TN-5900 Series firmware versions.

Affected Systems and Versions

Moxa's TN-5900 Series firmware versions up to v3.3 are impacted by this vulnerability.

Exploitation Mechanism

Malicious users can exploit the vulnerability to execute remote code on affected devices, leveraging the command-injection flaw.

Mitigation and Prevention

Explore measures to mitigate the risks posed by CVE-2023-34215.

Immediate Steps to Take

Moxa recommends affected users to upgrade to firmware v3.4 or higher as an immediate solution to address the vulnerability.

Long-Term Security Practices

Incorporate secure coding practices, regular security assessments, and timely software updates to bolster system defenses.

Patching and Updates

Stay informed about security advisories and promptly apply patches provided by Moxa to secure the TN-5900 Series devices.