Summary
Successful exploitation of these vulnerabilities could allow an attacker to replay the session of the logged in ISCV user and gain access to patient records.
Vulnerabilities 2
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High 7.7
Philips Intellispace Cardiovascular (ISCV) Use of Weak Credentials
A token is created using the username, current date/time, and a fixed AES-128 encryption key, which is the same across all installations.
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High 7.7
Philips Intellispace Cardiovascular (ISCV) Improper Authentication
A flaw exists in the Windows login flow where an AuthContext token can be exploited for replay attacks and authentication bypass.
Revision history
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#1
Initial Publication
References
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ICSA Advisory ICSMA-25-072-01 - Web Version
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-072-01
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Recommended Practices
https://www.cisa.gov/uscert/ics/alerts/ICS-ALERT-10-301-01
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Recommended Practices
https://www.cisa.gov/resources-tools/resources/ics-recommended-practices
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Recommended Practices
https://www.cisa.gov/sites/default/files/publications/Cybersecurity_Best_Practices_for_Industrial_Control_Systems.pdf
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Recommended Practices
https://www.cisa.gov/topics/industrial-control-systems
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Recommended Practices
https://www.cisa.gov/uscert/sites/default/files/publications/emailscams0905.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ncas/tips/ST04-014
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Recommended Practices
https://us-cert.cisa.gov/sites/default/files/recommended_practices/NCCIC_ICS-CERT_Defense_in_Depth_2016_S508C.pdf
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Recommended Practices
https://www.cisa.gov/uscert/ics/tips/ICS-TIP-12-146-01B