How severe is CVE-2025-4395?

CVE-2025-4395 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-4395 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4395?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-4395 have an EU (EUVD) identifier?

Yes. CVE-2025-4395 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22480.

When was CVE-2025-4395 published?

CVE-2025-4395 was published on 2025-07-24 and last updated on 2026-06-17.

CVE-2025-4395

CVE-2025-4395 is a medium-severity vulnerability with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-258.

Key facts

Severity: Medium (CVSS 3.x base score 6.8)
EPSS exploit prediction: 0% (19th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22480
Weakness: CWE-258
Published: 2025-07-24
Last modified: 2026-06-17

Description

Medtronic MyCareLink Patient Monitor has a built-in user account with an empty password, which allows an attacker with physical access to log in with no password and access modify system functionality. This issue affects MyCareLink Patient Monitor models 24950 and 24952: before June 25, 2025

Frequently asked questions

What is CVE-2025-4395?: Medtronic MyCareLink Patient Monitor has a built-in user account with an empty password, which allows an attacker with physical access to log in with no password and access modify system functionality. This issue affects MyCareLink Patient Monitor models 24950 and 24952: before June 25, 2025
How severe is CVE-2025-4395?: CVE-2025-4395 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-4395 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4395?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4395 have an EU (EUVD) identifier?: Yes. CVE-2025-4395 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22480.
When was CVE-2025-4395 published?: CVE-2025-4395 was published on 2025-07-24 and last updated on 2026-06-17.

References

Other CWE-258 vulnerabilities

CVE-2025-9276 — Critical (CVSS 9.8): Cockroach Labs cockroach-k8s-request-cert Empty Root Password Authentication Bypass Vulnerability. This vulnerability…
CVE-2019-5021 — Critical (CVSS 9.8): Versions of the Official Alpine Linux Docker images (since v3.3) contain a NULL password for the `root` user. This…
CVE-2018-17914 — Critical (CVSS 9.8): InduSoft Web Studio versions prior to 8.1 SP2, and InTouch Edge HMI (formerly InTouch Machine Edition) versions prior…
CVE-2024-28744 — High (CVSS 8.8): The password is empty in the initial configuration of ACERA 9010-08 firmware v02.04 and earlier, and ACERA 9010-24…
CVE-2023-39439 — High (CVSS 8.8): SAP Commerce Cloud may accept an empty passphrase for user ID and passphrase authentication, allowing users to log into…
CVE-2020-29478 — High (CVSS 7.5): CA Service Catalog 17.2 and 17.3 contain a vulnerability in the default configuration of the Setup Utility that may…

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