CVE-2020-8997

CVSS V2 Medium 5.8 CVSS V3 High 8.8

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).

Overview

CVE ID
CVE-2020-8997

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2020-02-16T18:15:10

Last Modified Date
2020-02-28T14:44:02

Weakness Enumerations

CWE	URL
CWE-787	http://cwe.mitre.org/data/definitions/787.html

CPE Configuration (Product)

CPE	Vulnerable	Operator
		AND
cpe:2.3:o:abbott:freestyle_libre_firmware:-:::::::*	1	OR
cpe:2.3:h:abbott:freestyle_libre:-:::::::*	0	OR

CVSS Version 2

Version
2.0

Vector String
AV:A/AC:L/Au:N/C:P/I:P/A:P

Access Vector
ADJACENT_NETWORK

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
PARTIAL

Integrity Impact
PARTIAL

Availability Impact
PARTIAL

Base Score
5.8

Severity
MEDIUM

Exploitability Score
6.5

Impact Score
6.4

CVSS Version 3

Version
3.1

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

Attack Vector
ADJACENT_NETWORK

Attack Compatibility
LOW

Privileges Required
NONE

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
8.8

Base Severity
HIGH

Exploitability Score
2.8

Impact Score
5.9

References

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

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2020-8997
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-8997

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 16:48:36				Added to TrackCVE
2022-12-04 11:25:38	2020-02-16T18:15Z	2020-02-16T18:15:10	CVE Published Date	updated
2022-12-04 11:25:38		2020-02-28T14:44:02	CVE Modified Date	updated
2022-12-04 11:25:38		Analyzed	Vulnerability Status	updated