CVE-2023-23300

CRITICAL EPSS 66.3%
Published May 23, 20233y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published May 23, 2023 3y ago
Last Modified Jun 17, 2026 1w ago

Description

The `Toybox.Cryptography.Cipher.initialize` API method in CIQ API version 3.0.0 through 4.1.7 does not validate its parameters, which can result in buffer overflows when copying data. A malicious application could call the API method with specially crafted parameters and 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

VendorProductVersionRange
garminconnect-iq*≥3.0.0  –  ≤4.1.7

References 2

  • developer.garmin.com https://developer.garmin.com/connect-iq/api-docs/Toybox/Cryptography/Cipher.html#initialize-instance_function
    Product
  • github.com https://github.com/anvilsecure/garmin-ciq-app-research/blob/main/advisories/CVE-2023-23300.md
    Exploit

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.