Siemens Parasolid

Siemens Parasolid aruschman Aug 13, 2026 Release DateAugust 13, 2026 Description

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Summary

Parasolid is affected by an out of bounds read vulnerability that could be triggered when the application reads files in X_T format. This could allow an attacker to crash the application or execute arbitrary code. Siemens has released new versions for the affected products and recommends to update to the latest versions.

The following versions of Siemens Parasolid are affected:

• Parasolid V38.0 vers:intdot/<38.0.235 (CVE-2026-64629)
• Parasolid V38.1 vers:intdot/<38.1.230 (CVE-2026-64629)

Background

• Critical Infrastructure Sectors: Critical Manufacturing
• Countries/Areas Deployed: Worldwide
• Company Headquarters Location: Germany

Vulnerabilities

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CVE-2026-64629

The affected applications contains an out of bounds read vulnerability while parsing specially crafted X_T files. This could allow an attacker to execute code in the context of the current process.

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Affected Products

Siemens Parasolid

Vendor:
SiemensProduct Version:
Parasolid V38.0 < V38.0.235, Parasolid V38.1 < V38.1.230Product Status:
known_affected

Remediations

Vendor fix
Update to V38.0.235 or later version
https://support.sw.siemens.com/product/258316782/

Vendor fix
Update to V38.1.230 or later version
https://support.sw.siemens.com/product/258316782/

Relevant CWE:CWE-125 Out-of-bounds Read

Metrics

Acknowledgments

• Siemens ProductCERT reported this vulnerability to CISA.

General Recommendations

As a general security measure, Siemens strongly recommends to protect network access to devices with appropriate mechanisms. In order to operate the devices in a protected IT environment, Siemens recommends to configure the environment according to Siemens' operational guidelines for Industrial Security (Download: https://www.siemens.com/cert/operational-guidelines-industrial-security), and to follow the recommendations in the product manuals. Additional information on Industrial Security by Siemens can be found at: https://www.siemens.com/industrialsecurity

Additional Resources

For further inquiries on security vulnerabilities in Siemens products and solutions, please contact the Siemens ProductCERT: https://www.siemens.com/cert/advisories

Terms of Use

The use of Siemens Security Advisories is subject to the terms and conditions listed on: https://www.siemens.com/productcert/terms-of-use.

Legal Notice and Terms of Use

This product is provided subject to this Notification (https://www.cisa.gov/notification) and this Privacy & Use policy (https://www.cisa.gov/privacy-policy).

Recommended Practices

CISA recommends users take defensive measures to minimize the exploitation risk of these vulnerabilities.

Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the internet.

Locate control system networks and remote devices behind firewalls and isolate them from business networks.

When remote access is required, use more secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most recent version available. Also recognize VPN is only as secure as its connected devices.

CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.

CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.gov. Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.

CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets. Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.gov in the technical information paper, ICS-TIP-12-146-01B--Targeted Cyber Intrusion Detection and Mitigation Strategies.

Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.

Advisory Conversion Disclaimer

This ICSA is a verbatim republication of Siemens ProductCERT SSA-138516 from a direct conversion of the vendor's Common Security Advisory Framework (CSAF) advisory. This is republished to CISA's website as a means of increasing visibility and is provided "as-is" for informational purposes only. CISA is not responsible for the editorial or technical accuracy of republished advisories and provides no warranties of any kind regarding any information contained within this advisory. Further, CISA does not endorse any commercial product or service. Please contact Siemens ProductCERT directly for any questions regarding this advisory.

Revision History

• Initial Release Date: 2026-08-11

Legal Notice and Terms of Use

Advisory TypeICS Advisory

TopicsIndustrial Control System Vulnerabilities, Industrial Control Systems

Alert CodeICSA-26-225-10

SectorCritical Manufacturing Sector

VendorSiemens

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