How severe is CVE-2020-27252?

CVE-2020-27252 has a CVSS 3.x base score of 8.8, 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-2020-27252 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-27252?

CVE-2020-27252 affects Medtronic Mycarelink Smart Model 25000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-27252?

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-2020-27252 published?

CVE-2020-27252 was published on 2020-12-14 and last updated on 2026-06-17.

CVE-2020-27252

CVE-2020-27252 is a high-severity vulnerability in Medtronic Mycarelink Smart Model 25000 Firmware with a CVSS 3.x base score of 8.8. 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-367.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.3
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-367
Affected product: Medtronic Mycarelink Smart Model 25000 Firmware
Published: 2020-12-14
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-27252?: CVE-2020-27252 has a CVSS 3.x base score of 8.8, 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-2020-27252 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-27252?: CVE-2020-27252 affects Medtronic Mycarelink Smart Model 25000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-27252?: 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-2020-27252 published?: CVE-2020-27252 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:*:*:*:*:*:*:*:*

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