Vulnerability · Published Dec 14, 2020 · Assigned by icscert

CVE-2020-25187Medtronic MyCareLink Smart Heap-based Buffer Overflow

High 8.8

In plain English

A high-severity heap buffer overflow in Smart Model 25000 Patient Reader from Medtronic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.9% (higher than 90% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High

Exploit odds (30 days)3.9%top 9.6% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

Medtronic MyCareLink Smart 25000 is vulnerable when an authenticated attacker runs a debug command, which can be sent to the patient reader and cause a heap overflow event within the MCL Smart Patient Reader software stack. The heap overflow could allow an attacker to remotely execute code on the MCL Smart Patient Reader, potentially leading to control of the device

Affected products (as reported)

Vendor	Product	Versions
Medtronic	Smart Model 25000 Patient Reader	All versions

Weakness: CWE-122 · Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

References

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