Cyber Resilience

CVE-2023-0396

MediumPublic PoC

Published: 25 January 2023

Published
25 January 2023
Modified
03 April 2025
KEV Added
—
Patch
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CVSS Score v3.1 6.8 CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0011 29.8th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-0396 is a medium-severity Buffer Over-read (CWE-126) vulnerability in Zephyrproject Zephyr. Its CVSS base score is 6.8 (Medium).

Operationally, ranked at the 29.8th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A malicious / defective bluetooth controller can cause buffer overreads in the most functions that process HCI command responses.

CWE(s)
CWE-126CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

zephyrproject
zephyr
≤ 3.2.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References