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 at /ics. 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 business networks.Minimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet.Please refer to Medtronic’s security bulletin for more information.ĬISA recommends users take defensive measures to minimize the risk of exploitation of this vulnerability. When the window pops up select the “Remove Features” button.Īs long as the Paceart Messaging Service remains disabled, the vulnerability will remain mitigated.Select the black box next to Message Queuing. Select “Start the Remove Roles and Features Wizard.”.Manually disable message queuing on the Application Server. Select “Stop” to stop running the service and change the startup type to “Disabled.”.Right-click the “Paceart Messaging Service” and select “Properties.”.Open the “Windows Services” application.Manually disable the Paceart Messaging Service on the Application Server. For all other configurations, Medtronic recommends the following steps: If running a combined Application and Integration Server, contact Medtronic Paceart Optima System technical support for immediate mitigation actions. Medtronic has provided some immediate mitigations that users can apply to mitigate the risk. Contact Medtronic to schedule the update. Medtronic recommends updating the Paceart Optima system to v1.12. Medtronic reported this vulnerability to CISA. CRITICAL INFRASTRUCTURE SECTORS: Healthcare and Public Health.A CVSS v3 base score of 9.8 has been calculated the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). A DoS attack could cause the Paceart Optima system to slow or be unresponsive.ĬVE-2023-31222 has been assigned to this vulnerability. Remote code execution could result in the deletion, theft, or modification of Paceart Optima system’s cardiac device data, or use of the Paceart Optima system for further network penetration. If a healthcare delivery organization has enabled the optional Paceart Messaging Service in the Paceart Optima system, an unauthorized user could exploit this vulnerability to perform remote code execution and/or denial-of-service (DoS) attacks by sending specially crafted messages to the Paceart Optima system. Paceart Optima: Versions 1.11 and priorģ.2.1 DESERIALIZATION OF UNTRUSTED DATA CWE-502.The following Medtronic products are affected: Successful exploitation of this vulnerability could result in remote code execution or a denial-of-service condition impacting a healthcare delivery organization’s Paceart Optima system. Vulnerability: Deserialization of Untrusted Data.ATTENTION: Exploitable remotely/low attack complexity.
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