CVE-2023-0396
CVE-2023-0396 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-125.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-125
- Affected product: Zephyrproject Zephyr
- Published:
- Last modified:
Description
A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
Frequently asked questions
- What is CVE-2023-0396?
- A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.
- How severe is CVE-2023-0396?
- CVE-2023-0396 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-2023-0396 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0396?
- CVE-2023-0396 affects Zephyrproject Zephyr. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0396?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-0396 published?
- CVE-2023-0396 was published on 2023-01-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:o:zephyrproject:zephyr:*:*:*:*:*:*:*:*
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