CVE-2020-27252 HIGH

CVE-2020-27252: Medtronic MyCareLink Smart Time-of-check Time-of-use Race Condition

Vendor Medtronic
Product Smart Model 25000 Patient Reader
Weakness CWE-367
Published December 14, 2020
Last update May 22, 2025

CVSS base score

8.8/10
Attack vector Adjacent
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Medtronic MyCareLink Smart 25000 is vulnerable to a race condition in the MCL Smart Patient Reader software update system, which allows unsigned firmware to be uploaded and executed on the Patient Reader. If exploited, an attacker could remotely execute code on the MCL Smart Patient Reader device, leading to control of the device.

Key dates

02Disclosure timeline

December 14, 2020 CVE published
May 22, 2025 Record updated