Siemens Siveillance Control

View CSAF Summary A vulnerability has been identified in the Open Interface Services (OIS) web module affecting Siveillance Control and Siveillance Control Pro (versions OIS 3.x.y and OIS 4.x.y) . This vulnerability allows an attacker to upload arbitrary files, which can lead to unauthorized root-level access on the OIS server. Siemens has released patches and updates for Siveillance OIS to apply to the products that incorporate the OIS service, and recommends to update to the latest versions. The following versions of Siemens Siveillance Control are affected: Siveillance Control Pro V3.0 vers:intdot/<3.0.12.2173 (CVE-2026-50093) Siveillance Control Pro V4.0 vers:intdot/<4.0.9.2178 (CVE-2026-50093) Siveillance Control V3.0 vers:intdot/<3.0.22.2177 (CVE-2026-50093) Siveillance Control V4.0 vers:intdot/<4.0.11.2177 (CVE-2026-50093) CVSS Vendor Equipment Vulnerabilities v3 9 Siemens Siemens Siveillance Control Unrestricted Upload of File with Dangerous Type Background Critical Infrastructure Sectors: Critical Manufacturing, Communications, Commercial Facilities Countries/Areas Deployed: Worldwide Company Headquarters Location: Germany Vulnerabilities Expand All + CVE-2026-50093 A vulnerability in the OIS web module allows an attacker to upload arbitrary files to the server. Successful exploitation of this vulnerability could allow an attacker to gain root access on the host system, potentially leading to a full compromise of the affected OIS environment. View CVE Details Affected Products Siemens Siveillance Control Vendor: Siemens Product Version: Siveillance Control Pro V3.0 < V3.0.12.2173, Siveillance Control Pro V4.0 < V4.0.9.2178, Siveillance Control V3.0 < V3.0.22.2177, Siveillance Control V4.0 < V4.0.11.2177 Product Status: known_affected Remediations Vendor fix Update to V3.0.12.2173 or later version https://support.industry.siemens.com/cs/ww/en/view/110004860/ Vendor fix Update to V3.0.22.2177 or later version https://support.industry.siemens.com/cs/ww/en/view/110004859/ Vendor fix Update to V4.0.11.2177 or later version https://support.industry.siemens.com/cs/ww/en/view/110004859/ Vendor fix Update to V4.0.9.2178 or later version https://support.industry.siemens.com/cs/ww/en/view/110004860/ Vendor fix For more information see the associated Siemens security advisory SSA-254516: Arbitrary File Upload in OIS Web Module - CSAF Version, SSA-254516: Arbitrary File Upload in OIS Web Module - HTML Version. Relevant CWE: CWE-434 Unrestricted Upload of File with Dangerous Type Metrics CVSS Version Base Score Base Severity Vector String 3.1 9 CRITICAL CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H Acknowledgments Siemens ProductCERT reported this vulnerability to CISA. General Recommendations As a general security measure Siemens strongly recommends to protect network access to affected products with appropriate mechanisms. It is advised to follow recommended security practices in order to run the devices in a protected IT environment. 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 v