#VU48957 Time-of-check Time-of-use (TOCTOU) Race Condition in Smart Model 25000 Patient Reader - CVE-2020-27252

 

#VU48957 Time-of-check Time-of-use (TOCTOU) Race Condition in Smart Model 25000 Patient Reader - CVE-2020-27252

Published: December 14, 2020


Vulnerability identifier: #VU48957
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-27252
CWE-ID: CWE-367
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vulnerable software:
Smart Model 25000 Patient Reader
Software vendor:
Medtronic

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a race condition in the MCL Smart Patient Reader software update system. A remote attacker on the local network can upload and execute unsigned firmware and execute arbitrary code on the system.


Remediation

Install updates from vendor's website.

External links