Medium severity · published Nov 28, 2023
CVE-2023-24023
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…
6.8
CVSS
1.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Adjacent
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BC
Bluetooth Core Specification · Bluetooth
4.2 through 5.4 · source: NVD
W1
Windows 10 1809 · Microsoft
before 10.0.17763.5122 · source: NVD
W1
Windows 10 21h2 · Microsoft
before 10.0.19043.3693 · source: NVD
W1
Windows 10 22h2 · Microsoft
before 10.0.19045.3693 · source: NVD
W1
Windows 11 21h2 · Microsoft
before 10.0.22000.2600 · source: NVD
W1
Windows 11 22h2 · Microsoft
before 10.0.22621.2715 · source: NVD
W1
Windows 11 23h2 · Microsoft
before 10.0.22631.2715 · source: NVD
WS
Windows Server 2019 · Microsoft
before 10.0.17763.5122 · source: NVD
WS
Windows Server 2022 · Microsoft
before 10.0.20348.2113 · source: NVD
WS
Windows Server 2022 23h2 · Microsoft
before 10.0.25398.531 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-24023
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-24023
Technical Description
https://dl.acm.org/doi/10.1145/3576915.3623066
Vendor Advisory
https://www.bluetooth.com/learn-about-bluetooth/key-attributes/bluetooth-security/bluffs-vulnerability/
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