CVE-2021-38413 : Security Advisory and Response

This CVE article provides details about a stack-based buffer overflow vulnerability in Fuji Electric V-Server Lite and Tellus Lite V-Simulator.

Understanding CVE-2021-38413

This section delves into the vulnerability found in the affected Fuji Electric products.

What is CVE-2021-38413?

CVE-2021-38413 is a stack-based buffer overflow vulnerability impacting Fuji Electric V-Server Lite and Tellus Lite V-Simulator prior to version 4.0.12.0. This vulnerability could allow an attacker to execute arbitrary code.

The Impact of CVE-2021-38413

The vulnerability has a CVSS v3.1 base score of 7.8, indicating a high severity level with potential impacts on confidentiality, integrity, and availability.

Technical Details of CVE-2021-38413

This section covers the technical aspects of the CVE.

Vulnerability Description

The vulnerability involves a stack-based buffer overflow in the affected Fuji Electric products, enabling potential code execution by attackers.

Affected Systems and Versions

Products: V-Server Lite, Tellus Lite V-Simulator
Vendor: Fuji Electric
Vulnerable Versions: Less than 4.0.12.0

Exploitation Mechanism

The vulnerability can be exploited locally without the need for privileges, but user interaction is required for successful exploitation.

Mitigation and Prevention

Learn how to mitigate and prevent exploitation of CVE-2021-38413.

Immediate Steps to Take

Update Fuji Electric software to version 4.0.12.0 for both TELLUS Lite and V-Server Lite.

Long-Term Security Practices

Regularly update software and firmware to the latest versions.
Implement network security measures to restrict access and monitor for unusual activities.

Patching and Updates

Fuji Electric recommends updating software to version 4.0.12.0 for both TELLUS Lite and V-Server Lite.