Vulnerability Details CVE-2021-34145
The Bluetooth Classic implementation in the Cypress WICED BT stack through 2.9.0 for CYW20735B1 devices does not properly handle the reception of LMP_max_slot with an invalid Baseband packet type (and LT_ADDRESS and LT_ADDR) after completion of the LMP setup procedure, allowing attackers in radio range to trigger a denial of service (firmware crash) via a crafted LMP packet.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 31.1%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 2.9
Products affected by CVE-2021-34145
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cpe:2.3:h:cypress:cyw20735b1:-
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cpe:2.3:o:cypress:wireless_internet_connectivity_for_embedded_devices:-
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cpe:2.3:o:cypress:wireless_internet_connectivity_for_embedded_devices:2.9.0