SB2025072506 - Multiple vulnerabilities in Medtronic MyCareLink Patient Monitor

Description

This security bulletin contains information about 3 vulnerabilities.

1) Cleartext storage of sensitive information (CVE-ID: CVE-2025-4394)

CWE-ID: CWE-312 - Cleartext Storage of Sensitive Information

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local attacker to gain access to potentially sensitive information.

The vulnerability exists due to cleartext storage of sensitive information. An attacker with physical access can read and modify files on the system.

2) Empty Password in Configuration File (CVE-ID: CVE-2025-4395)

CWE-ID: CWE-258 - Empty password in configuration file

CVSSv4: CVSS:4.0/AV:P/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to the affected product has a built-in user account with an empty password. An attacker with physical access can log in with no password and access or modify system functionality.

3) Deserialization of Untrusted Data (CVE-ID: CVE-2025-4393)

CWE-ID: CWE-502 - Deserialization of Untrusted Data

CVSSv4: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data. A local user can pass specially crafted data to the application and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Install update from vendor's website.

References

• https://global.medtronic.com/xg-en/product-security/security-bulletins.html
• https://www.cisa.gov/news-events/ics-medical-advisories/icsma-25-205-01