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.

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)

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

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.

Affected products

Opensynergy Blue_sdk
N/a — versions n/a

Weakness classification (CWE)

CWE-20 — Improper Input Validation

Public proof-of-concept exploits

References

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

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.