What’s Vulnerable › Vulnerabilities

CVE-2018-14781: Medtronic MiniMed MMT-500/MMT-503 Remote Controllers Authentication Bypass by Capture-replay

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-08-13 · updated 2026-06-17
• Weakness: CWE-294

Description

Medtronic MiniMed MMT devices when paired with a remote controller and having the “easy bolus” and “remote bolus” options enabled (non-default), are vulnerable to a capture-replay attack. An attacker can capture the wireless transmissions between the remote controller and the pump and replay them to cause an insulin (bolus) delivery.

Affected products

• Medtronicdiabetes 508 Minimed Insulin Pump Firmware: all versions
• Medtronicdiabetes 522 Paradigm Real-Time Firmware: all versions
• Medtronicdiabetes 523 Paradigm Revel Firmware: all versions
• Medtronicdiabetes 523K Paradigm Revel Firmware: all versions
• Medtronicdiabetes 551 Minimed 530G Firmware: all versions
• Medtronicdiabetes 722 Paradigm Real-Time Firmware: all versions
• Medtronicdiabetes 723 Paradigm Revel Firmware: all versions
• Medtronicdiabetes 723K Paradigm Revel Firmware: all versions
• Medtronicdiabetes 751 Minimed 530G Firmware: all versions

References

• http://www.securityfocus.com/bid/105044
• https://global.medtronic.com/xg-en/product-security/security-bulletins/minimed.html
• https://ics-cert.us-cert.gov/advisories/ICSMA-18-219-02
• http://www.securityfocus.com/bid/105044
• https://ics-cert.us-cert.gov/advisories/ICSMA-18-219-02

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