1/7/2024 0 Comments Xyplorer 2![]() Also recognize VPN is only as secure as the 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 /ics. 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 current version available.Locate control system networks and remote devices behind firewalls and isolating them from business networks.Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.Update Facility Explorer F4-SNC engine to version 12.0.4įor more information, contact your local Johnson Controls office or Authorized Building Control Specialists (ABCS).įor more detailed mitigation instructions, please see Johnson Controls Product Security Advisory JCI-PSA-2023-08 v2.ĬISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability, such as:.Update Facility Explorer F4-SNC engine to version 11.0.6.Update Metasys SNC engines to version 12.0.4.Update Metasys SNC engines to version 11.0.6.Update Metasys SNE engines to version 12.0.4.Update Metasys SNE engines to version 11.0.6.Update Metasys NAE55 engines to version 12.0.4.Update Metasys NAE55 engines to version 11.0.6.Johnson Controls recommends users update the products to the latest versions: Johnson Controls reported this vulnerability to CISA. CRITICAL INFRASTRUCTURE SECTORS: Critical Manufacturing.A CVSS v3.1 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). Under certain circumstances, invalid authentication credentials could be sent to the login endpoint of Johnson Controls Metasys and Facility Explorer products to cause denial-of-service.ĬVE-2023-4486 has been assigned to this vulnerability. Facility Explorer F4-SNC: Versions prior to 12.0.4ģ.2.1 UNCONTROLLED RESOURCE CONSUMPTION CWE-400.Facility Explorer F4-SNC: Versions prior to 11.0.6.Metasys SNC engines: Versions prior to 12.0.4. ![]() ![]() Metasys SNC engines: Versions prior to 11.0.6.Metasys SNE engines: Versions prior to 12.0.4.Metasys SNE engines: Versions prior to 11.0.6.Metasys NAE55 engines: Versions prior to 12.0.4. ![]()
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