You can help by choosing one of the links below to provide feedback about this product. No known public exploits specifically target this vulnerability.įor any questions related to this report, please contact the CISA at:įor industrial control systems cybersecurity information: ĬISA continuously strives to improve its products and services. Organizations observing any suspected malicious activity should follow their established internal procedures and report their findings to CISA for tracking and correlation against other incidents. With TIA, Siemens is the only manufacturer that offers a consistent basis for the realization of customer-specific automation solutions. The network solutions of SIMATIC NET are an integral component of Totally Integrated Automation (TIA). Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.Īdditional mitigation guidance and recommended practices are publicly available on the ICS webpage on in the Technical Information Paper, ICS-TIP-12-146-01B-Targeted Cyber Intrusion Detection and Mitigation Strategies. SIMATIC NET is the product name for networks and network components.
Also recognize VPN is only as secure as its connected devices.ĬISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.ĬISA also provides a section for control systems security recommended practices on the ICS webpage on. When remote access is required, use secure methods, such as Virtual Private Networks (VPNs), recognizing VPNs may have vulnerabilities and should be updated to the most current version available.Locate control system networks and remote devices behind firewalls, and isolate them from the business network.Minimize network exposure for all control system devices and/or systems, and ensure that they are not accessible from the Internet.In order to operate the devices in a protected IT environment, Siemens recommends users configure the environment according to Siemens operational guidelines for industrial security, and follow the recommendations in the product manual.Īdditional information on industrial security by Siemens can be found at: įor more information about this issue, please see Siemens security advisory SSA-676775ĬISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability.
Limit access to TCP Port 102 on affected devices to specific IP addresses (e.g., with a firewall).Īs a general security measure, Siemens strongly recommends users protect network access to devices with appropriate mechanisms.Siemens has identified the following specific workarounds and mitigations users can apply to reduce the risk: Siemens reported this vulnerability to CISA. CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing.A CVSS v3 base score of 7.5 has been calculated the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). SIMATIC NET CP 343-1 Standard (including SIPLUS variants): All versionsģ.2 VULNERABILITY OVERVIEW 3.2.1 UNCONTROLLED RESOURCE CONSUMPTION CWE-400Īn attacker could send specially crafted packets to cause a denial-of-service condition on TCP Port 102.ĬVE-2020-25242 has been assigned to this vulnerability.SIMATIC NET CP 343-1 Lean (including SIPLUS variants): All versions.SIMATIC NET CP 343-1 Advanced (including SIPLUS variants): All versions.
The following versions of SIMATIC are affected: Successful exploitation of this vulnerability could cause a denial-of-service condition.
SIEMENS SIMATIC NET SOFTWARE
S7-1500 Software controller as well as WinAC for PC-based controllersįor the integrated Motion and PID functions
SIEMENS SIMATIC NET PROFESSIONAL
The engineering of controllers with STEP 7 Professional comprises:Ĭonfiguration and programming of SIMATIC controllers S7-1200, S7-1500, S7-300, S7-400, the Due to its integration into the TIA Portal STEP 7 offers impressive performance in every work and programming step thanks to its transparency, intelligent user navigation and straightforward workflows.įunctions such as drag & drop, copy & paste and AutoCompletion make work much quicker and easier. STEP 7 (TIA-Portal) helps you solve your engineering tasks intuitively and efficiently. STEP 7 Professional – the ultimate engineering tool for configuration and programming for all SIMATIC controllers.
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