What is CVE-2024-45434?

CVE-2024-45434 is a critical-severity vulnerability in Opensynergy Blue Sdk, classified under Use After Free. CVSS score: 9.8/10. Published 2025-09-12.

How severe is CVE-2024-45434?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2024-45434 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Use After Free in Opensynergy Blue Sdk

CVE-2024-45434

OpenSynergy BlueSDK (aka Blue SDK) through 6.x has a Use-After-Free. The specific flaw exists within the BlueSDK Bluetooth stack. The issue results from the lack of validating the existence of an object before performing operations on the object (aka use after free). An attacker can leverage this to achieve remote code execution in the context of a user account under which the Bluetooth process runs.

Vulnerability class: Use-After-Free

EPSS: 0.059 (92.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Opensynergy Blue_sdk
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2024-45434?: CVE-2024-45434 is a critical-severity vulnerability in Opensynergy Blue Sdk, classified under Use After Free. CVSS score: 9.8/10. Published 2025-09-12.
How severe is CVE-2024-45434?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2024-45434 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.