CVE-2023-2234
CVE-2023-2234 is a medium-severity vulnerability in Zephyrproject Zephyr with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- EPSS exploit prediction: 0% (35th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-843
- Affected product: Zephyrproject Zephyr
- Published:
- Last modified:
Description
Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.
Frequently asked questions
- What is CVE-2023-2234?
- Union variant confusion allows any malicious BT controller to execute arbitrary code on the Zephyr host.
- How severe is CVE-2023-2234?
- CVE-2023-2234 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over physical access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-2234 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2234?
- CVE-2023-2234 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-2234?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-2234 published?
- CVE-2023-2234 was published on 2023-07-10 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
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