Is CVE-2023-51596 actively exploited?

No active exploitation of CVE-2023-51596 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-51596 be exploited remotely?

Partially. CVE-2023-51596 requires adjacent network access (same network segment) to exploit.

What is the CVSS score of CVE-2023-51596?

CVE-2023-51596 has a CVSS score of 7.1 (HIGH).

HOME VULNERABILITIESCVE-2023-51596

HIGH

CVE-2023-51596

CWE-122Published: May 3, 2024· Updated: Jun 17, 2026

7.1

CVSS v3.1

Official Description

BlueZ Phone Book Access Profile Heap-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of BlueZ. User interaction is required to exploit this vulnerability in that the target must connect to a malicious Bluetooth device.

The specific flaw exists within the handling of the Phone Book Access profile. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-20939.

NVD Source

Technical Analysis

CVE-2023-51596 requires adjacent network access, limiting remote exploitation but still posing risk in shared or local network environments.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.1.