CVE-2020-27252

Name: CVE-2020-27252
Creator: NVD / NIST
Published: 2020-12-14T20:15:12.717+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.1/10EPSS 3.70%

Last modified Jun 17, 2026

CVE-2020-27252 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. 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.. EPSS estimates a 3.70% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.1/10

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

EPSS Probability

3.70%

88.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Medtronic	Mycarelink Smart Model 25000 Firmware	All versions

References

https://global.medtronic.com/xg-en/product-security/security-bulletins/mycarelink-smart-security-vulnerability-patch.html
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-20-345-01
https://us-cert.cisa.gov/ics/advisories/icsma-20-345-01Third Party Advisory, US Government Resource

Timeline

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

Frequently Asked Questions

What is CVE-2020-27252?

How severe is CVE-2020-27252?

CVE-2020-27252 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 3.70% probability of exploitation in the next 30 days.

How do I fix CVE-2020-27252?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-27252?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST