How severe is CVE-2020-25183?

CVE-2020-25183 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-25183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-25183?

CVE-2020-25183 affects Medtronic Mycarelink Smart Model 25000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-25183?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2020-25183 published?

CVE-2020-25183 was published on 2020-12-14 and last updated on 2026-06-17.

CVE-2020-25183

CVE-2020-25183 is a high-severity vulnerability in Medtronic Mycarelink Smart Model 25000 Firmware with a CVSS 3.x base score of 8.0. 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-287.

Key facts

Severity: High (CVSS 3.x base score 8.0)
CVSS v2: 5.8
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Medtronic Mycarelink Smart Model 25000 Firmware
Published: 2020-12-14
Last modified: 2026-06-17

Description

Medtronic MyCareLink Smart 25000 contains an authentication protocol vulnerability where the method used to authenticate between the MCL Smart Patient Reader and the Medtronic MyCareLink Smart mobile app is vulnerable to bypass. This vulnerability enables an attacker to use another mobile device or malicious application on the patient’s smartphone to authenticate to the patient’s Medtronic Smart Reader, fooling the device into believing it is communicating with the original Medtronic smart phone application when executed within range of Bluetooth communication.

Frequently asked questions

What is CVE-2020-25183?: Medtronic MyCareLink Smart 25000 contains an authentication protocol vulnerability where the method used to authenticate between the MCL Smart Patient Reader and the Medtronic MyCareLink Smart mobile app is vulnerable to bypass. This vulnerability enables an attacker to use another mobile device or malicious application on the patient’s smartphone to authenticate to the patient’s Medtronic Smart Reader, fooling the device into believing it is communicating with the original Medtronic smart phone application when executed within range of Bluetooth communication.
How severe is CVE-2020-25183?: CVE-2020-25183 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-25183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-25183?: CVE-2020-25183 affects Medtronic Mycarelink Smart Model 25000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-25183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-25183 published?: CVE-2020-25183 was published on 2020-12-14 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:medtronic:mycarelink_smart_model_25000_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Medtronic Mycarelink Smart Model 25000 Firmware

CVE-2020-27252 — High (CVSS 8.8): Medtronic MyCareLink Smart 25000 is vulnerable to a race condition in the MCL Smart Patient Reader software update…
CVE-2020-25187 — High (CVSS 8.8): Medtronic MyCareLink Smart 25000 is vulnerable when an authenticated attacker runs a debug command, which can be…

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Other CWE-287 (Improper Authentication) vulnerabilities

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CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

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