CVE-2021-46154 : Exploit Details and Defense Strategies

A vulnerability has been identified in Simcenter Femap V2020.2 and V2021.1 that could allow an attacker to execute code.

Understanding CVE-2021-46154

Simcenter Femap software versions 2020.2 and 2021.1 are affected by a stack-based buffer overflow vulnerability when parsing NEU files.

What is CVE-2021-46154?

The vulnerability in Simcenter Femap software versions V2020.2 and V2021.1 allows an attacker to execute arbitrary code within the context of the current process.

The Impact of CVE-2021-46154

An attacker could exploit this vulnerability to execute malicious code on a targeted system.
Successful exploitation could lead to a complete compromise of the affected system.

Technical Details of CVE-2021-46154

Simcenter Femap V2020.2 and V2021.1 are susceptible to a stack-based buffer overflow vulnerability.

Vulnerability Description

The vulnerability arises from improper handling of NEU files, enabling a stack-based buffer overflow.

Affected Systems and Versions

Simcenter Femap V2020.2 (All versions)
Simcenter Femap V2021.1 (All versions)

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting malicious NEU files to trigger the stack-based buffer overflow.

Mitigation and Prevention

Steps to address and prevent the CVE-2021-46154 vulnerability.

Immediate Steps to Take

Apply the vendor-supplied patches for Simcenter Femap software.
Regularly update the software to the latest versions.

Long-Term Security Practices

Conduct security assessments and code reviews to identify and mitigate vulnerabilities.
Educate users on safe handling of files and software usage.

Patching and Updates

Stay informed about security updates and apply patches promptly to secure systems.