CVE-2022-46400

EUVD-2022-49209
The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) allows attackers to bypass passkey entry in legacy pairing.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
CISA-ADPADP
5.4 MEDIUM
ADJACENT_NETWORK
LOW
NONE
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Base Score
CVSS 3.x
EPSS Score
Percentile: 28%
Affected Products (NVD)
VendorProductVersion
microchipbm78_firmware
1.43
microchipbm83_firmware
1.43
microchiprn4870_firmware
1.43
microchiprn4871_firmware
1.43
microchipbm70_firmware
1.43
microchipbm71_firmware
1.43
microchippic_lightblue_explorer_demo_firmware
4.2_dt100112:_dt100112
microchipis1870_firmware
1.43
microchipis1871_firmware
1.43
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://microchip.com
https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG
https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le
https://microchip.com
https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM
https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG
https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le