High severity8.8NVD Advisory· Published Feb 16, 2020· Updated Jun 17, 2026
CVE-2020-8997
CVE-2020-8997
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).
Affected products
3- cpe:2.3:o:abbott:freestyle_libre_firmware:-:*:*:*:*:*:*:*
- Abbott/FreeStyle Libre sensorsdescription
Patches
Vulnerability mechanics
References
1- fortiguard.com/zeroday/FG-VD-19-112nvdThird Party Advisory
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