CVE-2023-23305

CRITICAL EPSS 66.3%

Published May 23, 20233y ago · Modified Jun 17, 20262w ago

9.8 CVSS 3.1

Critical

Published May 23, 2023 3y ago

Last Modified Jun 17, 2026 2w ago

Description

The GarminOS TVM component in CIQ API version 1.0.0 through 4.1.7 is vulnerable to various buffer overflows when loading binary resources. A malicious application embedding specially crafted resources could hijack the execution of the device's firmware.

CVSS Details

Base Score

9.8

Exploitability

3.9

Impact

5.9

Vector string

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

User Interaction None

Scope Unchanged

Confidentiality High

Integrity High

Availability High

Threat Intelligence

EPSS Exploit Probability

66.3% percentile

Exploit & Patch Status

Public Exploit Known

No Patch Available

Weaknesses 1

CWE-120

Affected Products 1

Vendor	Product	Version	Range
garmin	connect-iq	*	≥1.0.0 – ≤4.1.7

References 2

github.com https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23305.md

Exploit
github.com https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/poc/GRMN-06.prg

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.