CVE-2023-23300 is a critical buffer overflow vulnerability affecting Garmin Connect IQ (CIQ) API versions 3.0.0 through 4.1.7. Malicious applications can exploit the Toybox.Cryptography.Cipher.initialize API method by providing specially crafted parameters, leading to potential firmware hijacking. With a CVSS score of 9.8 (Critical), this vulnerability allows for unauthenticated, low-complexity network attacks resulting in complete compromise of confidentiality, integrity, and availability. Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.0.0, <= 4.1.7CPE matchmatch criteria | cpe:2.3:a:garmin:connect-iq:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.