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Vulnerability record · CVE-2023-24023 · published 28 November 2023

CVE-2023-24023: Bluetooth core specification vulnerability

Bluetooth · Bluetooth Core Specification

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.

6.8 CVSS 3.1 Medium EPSS 1.3% · top 30.8%
6.8CVSS 3.1 base score
1.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-24023), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.