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CVE-2023-24023

MEDIUM
6.8
CVSS Score
Published: November 28, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:38 AM UTC
10 products affected across 2 vendorsWindows Server 2019Windows 10 1809Windows Server 2022

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Severity
MEDIUM6.8
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

Bluetooth BR/EDR devices with Secure Simple Pairing and Secure Connections pairing in Bluetooth Core Specification 4.2 through 5.4 allow certain man-in-the-middle attacks that force a short key length, and might lead to discovery of the encryption key and live injection, aka BLUFFS.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Bluetooth Core Specification· Bluetooth
95%
4.2 ≤ v ≤ 5.44.2
Windows 10 1809· Microsoft
95%
v < 10.0.17763.5122
Affected range stops below 10.0.17763.5122, so it looks safe — our inference, not a vendor statement
Windows 10 21H2· Microsoft
95%
v < 10.0.19043.3693
Affected range stops below 10.0.19043.3693, so it looks safe — our inference, not a vendor statement
Windows 10 22H2· Microsoft
95%
v < 10.0.19045.3693
Affected range stops below 10.0.19045.3693, so it looks safe — our inference, not a vendor statement
Windows 11 21H2· Microsoft
95%
v < 10.0.22000.2600
Affected range stops below 10.0.22000.2600, so it looks safe — our inference, not a vendor statement
Windows 11 22H2· Microsoft
95%
v < 10.0.22621.2715
Affected range stops below 10.0.22621.2715, so it looks safe — our inference, not a vendor statement
Windows 11 23H2· Microsoft
95%
v < 10.0.22631.2715
Affected range stops below 10.0.22631.2715, so it looks safe — our inference, not a vendor statement
Windows Server 2019· Microsoft
95%
v < 10.0.17763.5122
Affected range stops below 10.0.17763.5122, so it looks safe — our inference, not a vendor statement
Windows Server 2022· Microsoft
95%
v < 10.0.20348.2113
Affected range stops below 10.0.20348.2113, so it looks safe — our inference, not a vendor statement
Windows Server 2022 23H2· Microsoft
95%
v < 10.0.25398.531
Affected range stops below 10.0.25398.531, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Technical DescriptionThird Party Advisory
Source: [email protected]
https://dl.acm.org/doi/10.1145/3576915.3623066
Vendor Advisory
Source: [email protected]
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/bluffs-vulnerability/

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.8MEDIUM[email protected]
Attack Vector
ADJACENT_NETWORK
Complexity
HIGH
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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