CVE-2023-23304

critical

Description

The GarminOS TVM component in CIQ API version 2.1.0 through 4.1.7 allows applications with a specially crafted head section to use the `Toybox.SensorHistory` module without permission. A malicious application could call any functions from the `Toybox.SensorHistory` module without the user's consent and disclose potentially private or sensitive information.

References

https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23304.md

https://developer.garmin.com/connect-iq/api-docs/Toybox/SensorHistory.html

Details

Source: Mitre, NVD

Published: 2023-05-23

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:N

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00134