What’s Vulnerable › Vulnerabilities

CVE-2020-8997

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-16 · updated 2026-06-17
• Weakness: CWE-787

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

• Abbott Freestyle Libre Firmware: all versions

References

• https://fortiguard.com/zeroday/FG-VD-19-112
• https://fortiguard.com/zeroday/FG-VD-19-112

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