5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
6.2 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
6.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.4%
Successful exploitation of these vulnerabilities may allow an unauthorized attacker access to execute software, modify system configuration, view/update files, and export data (including patient data) to an untrusted environment.
Philips reports the vulnerabilities affect the following MRI products:
The software does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
CVE-2021-26262 has been assigned to this vulnerability. A CVSS v3 base score of 6.2 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
The software assigns an owner who is outside the intended control sphere to a resource.
CVE-2021-26248 has been assigned to this vulnerability. A CVSS v3 base score of 6.2 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
The product exposes sensitive information to an actor not explicitly authorized to have access.
CVE-2021-42744 has been assigned to this vulnerability. A CVSS v3 base score of 6.2 has been calculated; the CVSS vector string is (AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N).
Michael Aguilar, a Secureworks Adversary Group consultant, reported these vulnerabilities to Philips.
Philips plans a new release to remediate these vulnerabilities by October 2022.
As an interim mitigation to these vulnerabilities, Philips recommends the following:
Users with questions about their specific MRI product should contact a Philips service support team or regional service support. Philips contact information is available at the Philips customer service solutions website or by calling 1-800-722-9377.
For more information regarding these vulnerabilities, see the Philips product security advisory website.
Users can also visit the Philips product security website for the latest security information for Philips products.
CISA recommends users take defensive measures to minimize the risk of exploitation of these vulnerabilities. Specifically, users should:
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on us-cert.cisa.gov. Several recommended practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage on us-cert.cisa.gov in the Technical Information Paper, ICS-TIP-12-146-01B–Targeted Cyber Intrusion Detection and Mitigation Strategies.
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.
No known public exploits specifically target these vulnerabilities. These vulnerabilities are not exploitable remotely.
www.philips.com/productsecurity
cwe.mitre.org/data/definitions/200.html
cwe.mitre.org/data/definitions/284.html
cwe.mitre.org/data/definitions/708.html
incenter.medical.philips.com/
nvd.nist.gov/vuln/detail/CVE-2021-26248
nvd.nist.gov/vuln/detail/CVE-2021-26262
nvd.nist.gov/vuln/detail/CVE-2021-42744
public.govdelivery.com/accounts/USDHSCISA/subscriber/new?topic_id=USDHSCISA_138
twitter.com/CISAgov
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us-cert.cisa.gov/ics
us-cert.cisa.gov/ics
us-cert.cisa.gov/ics/recommended-practices
us-cert.cisa.gov/ics/tips/ICS-TIP-12-146-01B
us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
www.dhs.gov
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www.fda.gov/MedicalDevices/DigitalHealth/ucm373213.htm
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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mailto:?subject=Philips%20MRI%201.5T%20and%203T&body=www.cisa.gov/news-events/ics-medical-advisories/icsma-21-313-01
5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
6.2 Medium
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
6.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
10.4%