CVE-2021-46151 Explained : Impact and Mitigation

A vulnerability has been identified in Simcenter Femap V2020.2 and V2021.1, allowing an attacker to execute code in the process context.

Understanding CVE-2021-46151

This CVE discloses details about a security flaw in Simcenter Femap software.

What is CVE-2021-46151?

The vulnerability in Simcenter Femap V2020.2 and V2021.1 involves an out-of-bounds write when processing specific NEU files, enabling code execution.

The Impact of CVE-2021-46151

The vulnerability could be exploited by attackers to run malicious code within the current process context.

Technical Details of CVE-2021-46151

This section provides in-depth technical information about the CVE.

Vulnerability Description

The issue arises from an out-of-bounds write beyond the allocated memory structure while parsing specially crafted NEU files.

Affected Systems and Versions

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

Exploitation Mechanism

The vulnerability allows an attacker to execute code within the application by taking advantage of the out-of-bounds write in the file parsing functionality.

Mitigation and Prevention

Protect systems from the CVE-2021-46151 vulnerability with the following steps.

Immediate Steps to Take

Apply security patches provided by Siemens promptly.
Restrict network access to affected systems.
Monitor for any unusual activities in the network.

Long-Term Security Practices

Conduct regular security training for system users.
Implement the principle of least privilege for software access.

Patching and Updates

Ensure to regularly update and apply patches released by Siemens to mitigate the vulnerability effectively.