Arbitrary Code Execution in Autodesk Fusion MCP Extension

Detection Guidance

This vulnerability affects Autodesk Fusion Desktop when the MCP extension is enabled. Detection involves verifying if Autodesk Fusion Desktop and the MCP extension are installed and active on the system.

You can check for the presence of Autodesk Fusion Desktop and the MCP extension by inspecting installed applications or running processes.

• On Windows, use PowerShell commands such as: Get-Process -Name "Fusion" or Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -like "*Autodesk Fusion*" }
• On macOS, use commands like: ps aux | grep -i fusion or ls /Applications/ | grep -i fusion

Additionally, monitoring network traffic for suspicious connections to malicious webpages that could exploit this vulnerability may help in detection.

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Compliance Impact

This vulnerability allows arbitrary code execution with the privileges of the current user, which could lead to unauthorized access, data breaches, or manipulation of sensitive information.

Such security risks can impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive data against unauthorized access and breaches.

Organizations using Autodesk Fusion Desktop with the MCP extension enabled should consider this vulnerability when assessing their security posture and compliance obligations.

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Executive Summary

This vulnerability occurs when a user visits a maliciously crafted webpage while running Autodesk Fusion Desktop with the MCP extension enabled. The MCP extension has a flaw that can be triggered by such a webpage, potentially allowing arbitrary code execution.

If exploited successfully, the attacker can execute code with the same privileges as the current user, which means they can perform any action that the user is permitted to do on the system.

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Impact Analysis

The impact of this vulnerability is severe because it allows an attacker to run arbitrary code on your system with your user privileges.

• Potential unauthorized access to your files and data.
• Installation of malware or other malicious software.
• Compromise of system integrity and confidentiality.
• Possible disruption of your normal operations or data loss.

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Mitigation Strategies

To mitigate this vulnerability, immediately ensure that Autodesk Fusion Desktop and the MCP extension are updated to the latest versions provided by Autodesk, as patches may address this issue.

If an update is not yet available, consider disabling or uninstalling the MCP extension to prevent exploitation.

Advise users to avoid visiting untrusted or suspicious webpages while Autodesk Fusion Desktop with the MCP extension is running.

Implement network-level protections such as web filtering to block access to known malicious sites.

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