1. EXECUTIVE SUMMARY
- CVSS v4 7.0
- ATTENTION: Low attack complexity
- Vendor: Siemens
- Equipment: Tecnomatix Plant Simulation
- Vulnerabilities: Files or Directories Accessible to External Parties
2. RISK EVALUATION
The vulnerabilities identified in Siemens Tecnomatix Plant Simulation could lead to significant security risks. Successful exploitation may allow unauthorized attackers to read or delete arbitrary files, potentially compromising the integrity and confidentiality of the system. This could result in data loss, unauthorized modifications, and operational disruptions, particularly in critical manufacturing environments where Tecnomatix is widely deployed.
3. TECHNICAL DETAILS
3.1 AFFECTED PRODUCTS
Siemens has confirmed that the following versions of Tecnomatix Plant Simulation are affected:
- Siemens Tecnomatix Plant Simulation V2302: All versions prior to V2302.0021
- Siemens Tecnomatix Plant Simulation V2404: All versions prior to V2404.0010
3.2 VULNERABILITY OVERVIEW
3.2.1 FILES OR DIRECTORIES ACCESSIBLE TO EXTERNAL PARTIES CWE-552
This vulnerability arises from the application’s failure to properly restrict access to file deletion functionalities. An unauthorized attacker could exploit this weakness to delete files, leading to potential data loss or unauthorized modifications of critical system files. The vulnerability has been assigned CVE-2025-25266, with a CVSS v3 base score of 6.8 and a CVSS v4 score of 7.0.
3.2.2 FILES OR DIRECTORIES ACCESSIBLE TO EXTERNAL PARTIES CWE-552
This second vulnerability also relates to improper access restrictions, specifically regarding the scope of files accessible to the simulation model. This could allow unauthorized access to sensitive information, compromising the confidentiality of the system. It has been assigned CVE-2025-25267, with a CVSS v3 base score of 6.2 and a CVSS v4 score of 6.9.
3.3 BACKGROUND
- CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing
- COUNTRIES/AREAS DEPLOYED: Worldwide
- COMPANY HEADQUARTERS LOCATION: Germany
3.4 RESEARCHER
These vulnerabilities were reported by Siemens to the Cybersecurity and Infrastructure Security Agency (CISA).
4. MITIGATIONS
To mitigate the risks associated with these vulnerabilities, Siemens recommends the following actions:
- Tecnomatix Plant Simulation V2302: Update to V2302.0021 or later version.
- Tecnomatix Plant Simulation V2404: Update to V2404.0010 or later version.
Additionally, Siemens advises implementing robust network security measures to protect devices, including following their operational guidelines for industrial security and adhering to recommendations in product manuals.
For further information, users can refer to the associated Siemens security advisory SSA-507653 available in both HTML and CSAF formats.
5. CISA RECOMMENDATIONS
CISA has outlined several defensive measures to minimize the risk of exploitation of these vulnerabilities:
- Minimize network exposure: Ensure that control system devices are not accessible from the internet.
- Network isolation: Place control system networks and remote devices behind firewalls, isolating them from business networks.
- Secure remote access: When remote access is necessary, utilize secure methods such as Virtual Private Networks (VPNs), ensuring they are updated to the latest versions.
Organizations are encouraged to conduct thorough impact analyses and risk assessments before implementing defensive measures. CISA also provides resources for recommended practices in control systems security, which can be accessed on their website.
6. CONCLUSION
The vulnerabilities identified in Siemens Tecnomatix Plant Simulation pose significant risks to organizations, particularly in critical manufacturing sectors. The potential for unauthorized access and data loss necessitates immediate action from users to update their systems and implement robust security measures. By adhering to the recommendations provided by Siemens and CISA, organizations can mitigate these risks and enhance their overall cybersecurity posture.
