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.
Conclusion & alert: CVE-2024-45431 is rated High Exploit Risk (72/100): CVSS Medium severity, with high exploitation likelihood (EPSS 4.42%, 90th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +4.23% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.18% | 4.42% | +4.23% |
| 2 | 2026-05-29 | 0.08% | 0.18% | +0.11% |
| 3 | 2025-09-13 | — | 0.08% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.3 | 3.1 | MEDIUM |
|
3.9 | 1.4 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| opensynergy | blue_sdk | <= 6.0.1 | cpe:2.3:a:opensynergy:blue_sdk:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://pcacybersecurity.com/resources/advisory/perfekt-blue | Exploit Third Party Advisory |
| https://www.opensynergy.com/ | Product |