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Siemens provides SIMATIC STEP 7 (TIA Portal) V14, which fixes the vulnerabilities and recommends users migrate projects to the new version. MITIGATIONĪccess to the TIA Portal project files on engineering workstations or network storage must be protected with appropriate mechanisms from unauthorized access. DIFFICULTYĬrafting a working exploit for these vulnerabilities would be difficult. No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.
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A CVSS v3 base score of 2.5 has been calculated the CVSS vector string is (AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N). This format is used by TIA Portal during the migration of project files to a new version (e.g., V12 to V13). Local attackers could circumvent the protection of the transport format of TIA Portal project files and potentially access sensitive configuration settings. VULNERABILITY CHARACTERIZATION VULNERABILITY OVERVIEW Siemens estimates that this product is used worldwide. According to Siemens, SIMATIC Step 7 (TIA Portal) is deployed across several sectors including Chemical, Energy, Food and Agriculture, and Water and Wastewater Systems.
#SIEMENS STEP 7 WRITE TO STRING SOFTWARE#
The affected product, SIMATIC Step 7 (TIA Portal), is engineering software for SIMATIC products. Siemens is a multinational company headquartered in Munich, Germany. NCCIC/ICS-CERT recommends that organizations evaluate the impact of these vulnerabilities based on their operational environment, architecture, and product implementation. Impact to individual organizations depends on many factors that are unique to each organization.