What is CVE-2023-23304?

CVE-2023-23304 is a critical-severity vulnerability in Garmin Connect-Iq, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2023-05-23.

How severe is CVE-2023-23304?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Garmin Connect-Iq

CVE-2023-23304

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.

Vulnerability class: Broken Access Control

EPSS: 0.006 (45.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Garmin Connect-iq
N/a — versions n/a

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

cve@mitre.org (Product)
cve@mitre.org (Exploit)

Frequently asked questions

What is CVE-2023-23304?: CVE-2023-23304 is a critical-severity vulnerability in Garmin Connect-Iq, classified under Incorrect Authorization. CVSS score: 9.1/10. Published 2023-05-23.
How severe is CVE-2023-23304?: Critical severity. CVSS v3 base score is 9.1 out of 10.