CVE-2023-23304 Missing authorization in n/a

High 7.7 Published 23 May 2023 Updated 31 Jan 2025

A malicious application can access sensitive sensor history data without user consent due to missing authorization checks in the Garmin CIQ API.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-23304?

CVE-2023-23304 is a high-severity missing authorization vulnerability in n/a, published on 23 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-863

Which versions are affected by CVE-2023-23304?

It affects 1 product.

Products include Garmin Connect-Iq.

How do I fix CVE-2023-23304?

No fix has been published for CVE-2023-23304 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-23304 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-23304 exists.

Sources

Also known as GHSA-f3rh-h76j-wjwq.