CVE-2024-45431: Opensynergy Blue SDK

Medium severity, CVSS 5.3. EPSS: 5.6% chance of exploitation in the next 30 days.

OpenSynergy BlueSDK (aka Blue SDK) through 6.x has Improper Input Validation. The specific flaw exists within the BlueSDK Bluetooth stack. The issue results from the lack of proper validation of remote L2CAP channel ID (CID). An attacker can leverage this to create an L2CAP channel with the null identifier assigned as a remote CID.

Affected products

• Opensynergy Blue SDK: up to and including 6.0.1

Published 2025-09-12. Last modified 2026-06-17.