CVE-2017-12721: Smiths-Medical Medfusion 4000 Wireless Syringe Infusion Pump

Medium severity, CVSS 5.9. EPSS: 0.7% chance of exploitation in the next 30 days.

An Improper Certificate Validation issue was discovered in Smiths Medical Medfusion 4000 Wireless Syringe Infusion Pump, Version 1.1, 1.5, and 1.6. The pump does not validate host certificates, leaving the pump vulnerable to a man-in-the-middle (MITM) attack.

Affected products

• Smiths-Medical Medfusion 4000 Wireless Syringe Infusion Pump: version 1.1 only; version 1.5 only; version 1.6 only

Published 2018-02-15. Last modified 2026-06-17.