Vulnerability in Medtronic Mycarelink Smart Model 25000
CVE-2020-27252
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.
Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.038 (89.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 89.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.037 · newest: 0.038 · change: +0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- global.medtronic.com/xg-en/product-security/security-bulletins/mycarelink-smart…
- www.cisa.gov/news-events/ics-medical-advisories/icsma-20-345-01
- af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory, US Government Resource)
Frequently asked questions
- What is CVE-2020-27252?
- CVE-2020-27252 is a high-severity vulnerability in Medtronic Mycarelink Smart Model 25000, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 8.8/10. Published 2020-12-14.
- How severe is CVE-2020-27252?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2020-27252 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.