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

High 8.8 Published Updated

A race condition in the software update system allows attackers to upload and execute unsigned firmware, gaining remote control of the Medtronic MyCareLink Smart Patient Reader.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2020-27252?

CVE-2020-27252 is a high-severity vulnerability in Medtronic Smart Model 25000 Patient Reader, published on 14 Dec 2020. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-367

Which versions are affected by CVE-2020-27252?

It affects 1 product.

Products include Medtronic Mycarelink Smart Model 25000 Firmware.

How do I fix CVE-2020-27252?

No fix has been published for CVE-2020-27252 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-27252 being exploited?

There is no known exploitation of CVE-2020-27252 in the wild and no public exploit code.

Sources

Also known as GHSA-qmhj-wg3r-x2h5.

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