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Three medium severity vulnerabilities have been identified in Philips MRI products which, if exploited, could allow an unauthorized individual to run software, modify the device configuration, view and updates files, and export data, including protected health information, to an untrusted environment.
Aguilar found insufficient access controls which fail to restrict access by unauthorized individuals (CVE-2021-3083), the software assigns an owner who is outside the intended control sphere (CVE-2021-3085), and sensitive data is exposed to individuals who should not be provided with access (CVE-2021-3084). Each of the vulnerabilities has been assigned a CVSS V3 base score of 6.2 out of 10.
The vulnerabilities were identified by Secureworks Adversary Group consultant, Michael Aguilar, and affect Philips MRI 1.5T: Version 5.x.x, and MRI 3T: Version 5.x.x. Aguilar reported the flaws to Philips and a patch has been scheduled for release by October 2022. In the meantime, Philips recommends implementing mitigating measures to prevent the vulnerabilities from being exploited.
The mitigations include only operating the Philips MRI machines within authorized specifications, ensuring physical and logical controls are implemented. Only authorized personnel should be allowed to access the vicinity where the MRI machines are located, and all instructions for using the machines provided by Philips should be followed.
Philips has not received any reports of the vulnerabilities being exploited, nor have there been any reports of incidents from the clinical use of the product in relation to the three vulnerabilities.