CVE-2021-46162 : Vulnerability Insights and Analysis

A vulnerability has been identified in Simcenter Femap (All versions < V2022.1.1) that could allow an attacker to execute code in the process context.

Understanding CVE-2021-46162

This CVE involves an out-of-bounds write vulnerability in Simcenter Femap, affecting versions prior to V2022.1.1.

What is CVE-2021-46162?

The vulnerability allows an attacker to execute arbitrary code by exploiting an out-of-bounds write issue in the application when processing specially crafted NEU files.

The Impact of CVE-2021-46162

Exploiting this vulnerability could lead to code execution within the context of the current process, potentially enabling an attacker to gain unauthorized access or perform malicious actions.

Technical Details of CVE-2021-46162

This section provides detailed technical information about the CVE.

Vulnerability Description

The vulnerability involves an out-of-bounds write beyond the allocated data structure while parsing specific NEU files.

Affected Systems and Versions

Product: Simcenter Femap
Vendor: Siemens
Versions Affected: All versions less than V2022.1.1

Exploitation Mechanism

The vulnerability can be exploited by crafting malicious NEU files to trigger the out-of-bounds write, potentially leading to code execution.

Mitigation and Prevention

Protecting systems from CVE-2021-46162 involves immediate steps and long-term security practices.

Immediate Steps to Take

Apply vendor-provided patches or updates to mitigate the vulnerability.
Consider limiting access to vulnerable systems.

Long-Term Security Practices

Regularly update software and security patches.
Conduct security assessments and audits to identify vulnerabilities proactively.

Patching and Updates

Siemens provided a patch in version V2022.1.1 to address the out-of-bounds write vulnerability.