Vulnerability · Published Jul 10, 2023 · Assigned by zephyr
CVE-2023-2234BT HCI host union variant confusion
Medium 6.8
In plain English
A medium-severity type confusion in Zephyr from zephyrproject-rtos. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Severity (CVSS 3.1)6.8Medium
Exploit odds (30 days)0.5%top 57.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| zephyrproject-rtos | Zephyr | * – through 3.3 |
Weakness: CWE-843 · Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H