CVE-2024-21306 — Microsoft Bluetooth Driver Spoofing Vulnerability

Executive Summary

None

Overview

5.7

CVSS MEDIUM

Important

MS Severity

Not Exploited

MS Exploit Status

Less Likely

MS Exploit Likelihood

Category Spoofing

Weakness CWE-306: Missing Authentication for Critical Function

Released Jan 9 2024

Last Updated Jan 9 2024

Publicly Disclosed No

CISA KEV Not Listed

Known Exploits None Known

EPSS Score 0.0583 — 0.92496 percentile

NVD CVSS 5.7 MEDIUM — matches MSRC

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

ATTACK VECTOR

Adjacent_network

ATTACK COMPLEXITY

Low

PRIVILEGES REQUIRED

None

USER INTERACTION

Required

SCOPE

Unchanged

CONFIDENTIALITY

None

INTEGRITY

High

AVAILABILITY

None

EXPLOIT CODE MATURITY

Unproven

REMEDIATION LEVEL

Official Fix

REPORT CONFIDENCE

Confirmed

Temporal Score: 5.0

EPSS Score

0.0583

probability of exploitation in the next 30 days

0.92496 percentile - updated 2026-08-14

View on FIRST.org

Affected Products

15 affected products

Product	KB Article	Severity	Impact	Restart Required
Windows 10 Version 21H2 for 32-bit Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 21H2 for ARM64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 21H2 for x64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 22H2 for 32-bit Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 22H2 for ARM64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 10 Version 22H2 for x64-based Systems	`5034122 (Security Update)`	Important	Spoofing	Yes
Windows 11 version 21H2 for ARM64-based Systems	`5034121 (Security Update)`	Important	Spoofing	Yes
Windows 11 version 21H2 for x64-based Systems	`5034121 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 22H2 for ARM64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 22H2 for x64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 23H2 for ARM64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows 11 Version 23H2 for x64-based Systems	`5034123 (Security Update)`	Important	Spoofing	Yes
Windows Server 2022	`5034129 (Security Update)`	Important	Spoofing	Yes
Windows Server 2022 (Server Core installation)	`5034129 (Security Update)`	Important	Spoofing	Yes
Windows Server 2022, 23H2 Edition (Server Core installation)	`5034130 (Security Update)`	Important	Spoofing	Yes

Patches

5 patches

Article	Type	Restart
`5034122`	Security Update	Yes
`5034121`	Security Update	Yes
`5034123`	Security Update	Yes
`5034129`	Security Update	Yes
`5034130`	Security Update	Yes

Exploits & PoC

3 public PoCs

Unverified third-party code

Public proof-of-concept repositories aggregated from PoC-in-GitHub. They are not reviewed and may be incomplete, non-functional, or malicious — inspect the code before running anything.

Repository	Stars	Published	Description
Danyw24/blueXploit	16	2024-12-15	Exploit basado en vulnerabilidades criticas Bluetooth (CVE-2023-45866, CVE-2024-21306)
PhucHauDeveloper/BadBlue	12	2024-05-06	CVE-2024-21306 BadBlue implementation (Using DuckyScript)
d4rks1d33/C-PoC-for-CVE-2024-21306	0	2024-04-08

Detection Rules

No public Sigma or Nuclei detection rule has been mapped to this CVE yet. Coverage is concentrated on exploited / high-profile vulnerabilities; check SigmaHQ for updates.

Acknowledgments

Marc Newlin

References

MSRC Advisory MITRE NVD