CVE-2021-38415 : What You Need to Know

Fuji Electric Tellus Lite V-Simulator prior to v4.0.12.0 and V-Server Lite are affected by a heap-based buffer overflow vulnerability. This article provides an overview of CVE-2021-38415, its impact, technical details, and mitigation steps.

Understanding CVE-2021-38415

This section delves into the details of the vulnerability affecting Fuji Electric's Tellus Lite V-Simulator and V-Server Lite.

What is CVE-2021-38415?

CVE-2021-38415 is a heap-based buffer overflow vulnerability in Fuji Electric products, allowing an attacker to execute arbitrary code by exploiting a specially crafted project file.

The Impact of CVE-2021-38415

With a CVSS base score of 7.8 (High), this vulnerability has a significant impact on confidentiality, integrity, and availability, with no privileges required for exploitation.

Technical Details of CVE-2021-38415

Explore the technical aspects of the CVE-2021-38415 vulnerability in this section.

Vulnerability Description

The vulnerability arises due to a heap-based buffer overflow issue while processing specific project files, potentially enabling malicious code execution.

Affected Systems and Versions

Fuji Electric V-Server Lite and Tellus Lite V-Simulator versions prior to 4.0.12.0 are susceptible to this vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability locally with low complexity, requiring user interaction but no special privileges.

Mitigation and Prevention

Discover the necessary steps to mitigate and prevent exploitation of CVE-2021-38415.

Immediate Steps to Take

It is crucial to update the affected software to the latest version (v4.0.12.0) to eliminate the vulnerability.

Long-Term Security Practices

In addition to immediate patching, follow industry best practices for secure software development and regular security assessments.

Patching and Updates

Follow Fuji Electric's recommendations to update both TELLUS Lite and V-Server Lite software to Version 4.0.12.0 Disk1 and Disk2.