CVE-2023-4424
bt: hci: DoS and possible RCE
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.
Attack profile
How easy it is to exploit
- Attack vector
- Adjacent network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
bt: hci: DoS and possible RCE
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.
- Record
CVE-2023-4424- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
EUVDEUVD-2023-54286
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.
- Record
EUVD-2023-54286- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Updated
- 2026-11-03
NVD
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.
- Record
CVE-2023-4424- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - CVSS 3.1
- 8.8 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-190, CWE-120
- Updated
- 2026-11-02
OSV
bt: hci: DoS and possible RCE
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.
- Record
CVE-2023-4424- CVSS 3.1
- 8.3 High
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H - Weakness
- CWE-190
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-4424 is a high vulnerability (CVSS 8.3) in Zephyrproject Zephyr, published November 21, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.