CVE-2020-8997
CVE-2020-8997 is a high-severity vulnerability in Abbott Freestyle Libre 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-787.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (46th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-787
- Affected product: Abbott Freestyle Libre Firmware
- Published:
- Last modified:
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).
Frequently asked questions
- What is 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).
- How severe is CVE-2020-8997?
- CVE-2020-8997 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 no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2020-8997 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-8997?
- CVE-2020-8997 affects Abbott Freestyle Libre Firmware. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-8997?
- 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-2020-8997 published?
- CVE-2020-8997 was published on 2020-02-16 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:abbott:freestyle_libre_firmware:-:*:*:*:*:*:*:*
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