CVE-2020-27252

Published: Dec 14, 2020Modified: Jun 17, 2026

8.1

Vector

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

Exploitability: 2.2 / Impact: 5.9

Source: NVD

Description

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.

Affected (1)

Products: Medtronic: Mycarelink Smart Model 25000 Firmware

1 product

Mycarelink Smart Model 25000 Firmware

Configuration A

1 vulnerable · 1 platform

Vulnerable Software	Affected Versions
Medtronic Mycarelink Smart Model 25000 Firmware	All versions

Running on/with	Platform Versions
Medtronic Mycarelink Smart Model 25000	All versions

Related CWEs

Time-of-check Time-of-use (TOCTOU) Race Condition

The product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check. This can cause the product to perform invalid actions when the resource is in an unexpected state.

References (3)

https://global.medtronic.com/xg-en/product-security/security-bulletins/mycarelink-smart-security-vulnerability-patch.html

Source: ics-cert@hq.dhs.gov

https://www.cisa.gov/news-events/ics-medical-advisories/icsma-20-345-01

Source: ics-cert@hq.dhs.gov

https://us-cert.cisa.gov/ics/advisories/icsma-20-345-01

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryUS Government Resource

Timeline

No history available yet.