CVE-2020-27252

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

9.3 /10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability : 8.6 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
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-20-345-01 Third Party Advisory US Government Resource
Configurations

Configuration 1 (hide)

AND
cpe:2.3:o:medtronic:mycarelink_smart_model_25000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:h:medtronic:mycarelink_smart_model_25000:-:*:*:*:*:*:*:*
History

22 May 2025, 20:15

Type Values Removed Values Added
Summary (en) Medtronic MyCareLink Smart 25000 all versions are 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. (en) 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.
CVSS v2 : 9.3
v3 : 8.1 		v2 : 9.3
v3 : 8.8
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 -

21 Nov 2024, 05:20

Type Values Removed Values Added
References () https://us-cert.cisa.gov/ics/advisories/icsma-20-345-01 - Third Party Advisory, US Government Resource () https://us-cert.cisa.gov/ics/advisories/icsma-20-345-01 - Third Party Advisory, US Government Resource
Information

Published : 2020-12-14 20:15

Updated : 2025-05-22 20:15

NVD link : CVE-2020-27252

Mitre link : CVE-2020-27252

CVE.ORG link : CVE-2020-27252

JSON object : View

Products Affected

medtronic

  • mycarelink_smart_model_25000_firmware
  • mycarelink_smart_model_25000
CWE
CWE-367

Time-of-check Time-of-use (TOCTOU) Race Condition