What is CVE-2020-8997?

CVE-2020-8997 is a high-severity vulnerability in Abbott Freestyle Libre, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-02-16.

How severe is CVE-2020-8997?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Abbott Freestyle Libre

CVE-2020-8997

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).

Vulnerability class: Buffer Overflow

EPSS: 0.006 (46.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8997?: CVE-2020-8997 is a high-severity vulnerability in Abbott Freestyle Libre, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2020-02-16.
How severe is CVE-2020-8997?: High severity. CVSS v3 base score is 8.8 out of 10.