CVE-2020-8997

Name: CVE-2020-8997
Creator: NVD / NIST
Published: 2020-02-16T18:15:10.987+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.63%

Last modified Jun 17, 2026

CVE-2020-8997 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Older generation Abbott FreeStyle Libre sensors allow remote attackers within close proximity to enable write access to memory via a specific NFC unlock command. NOTE: The vulnerability is not present in the FreeStyle Libre 14-day in the U.S (announced in August 2018) and FreeStyle Libre 2 outside the U.S (announced in October 2018).. EPSS estimates a 0.63% chance of exploitation in the next 30 days.

Description

Older generation Abbott FreeStyle Libre sensors allow remote attackers within close proximity to enable write access to memory via a specific NFC unlock command. NOTE: The vulnerability is not present in the FreeStyle Libre 14-day in the U.S (announced in August 2018) and FreeStyle Libre 2 outside the U.S (announced in October 2018).

Metrics

CVSS 3.1

8.8/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.63%

45.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Abbott	Freestyle Libre Firmware	All versions

References

https://fortiguard.com/zeroday/FG-VD-19-112Third Party Advisory
https://fortiguard.com/zeroday/FG-VD-19-112Third Party Advisory

Timeline

Published: Feb 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-8997?

How severe is CVE-2020-8997?

CVE-2020-8997 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.

How do I fix CVE-2020-8997?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-8997?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST