Cyber Resilience

CVE-2023-4424

High

Published: 21 November 2023

Published
21 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.3 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
EPSS Score 0.0014 33.2th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-4424 is a high-severity Integer Overflow or Wraparound (CWE-190) vulnerability in Zephyrproject Zephyr. Its CVSS base score is 8.3 (High).

Operationally, ranked at the 33.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

An malicious BLE device can cause buffer overflow by sending malformed advertising packet BLE device using Zephyr OS, leading to DoS or potential RCE on the victim BLE device.

CWE(s)

Related Threats

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

Affected Assets

zephyrproject
zephyr
≤ 3.4.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-120

Platform-independent managed code eliminates the need for unchecked native buffer copies that are the root cause of classic buffer overflows.

References