Improper input validation in Opensynergy Blue Sdk

CVE-2024-45431

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.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.054 (92.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-45431: held from 0.054 to 0.054.

EPSS over last 30 days · oldest: 0.054 · newest: 0.054 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-45431?
CVE-2024-45431 is a medium-severity vulnerability in Opensynergy Blue Sdk, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2025-09-12.
How severe is CVE-2024-45431?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2024-45431 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.