Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2022-46400

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
19/12/2022
Last modified:
17/04/2025

Description

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.

Impact

Vector 3.x
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L CVSS v3.1 Severity and Metrics:

Base Score: 5.40 MEDIUM
Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Attack Vector (AV): Adjacent
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): Low
Availability (A): Low

Base Score 3.x
5.40
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:microchip:bm78_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:h:microchip:bm78:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:bm83_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:h:microchip:bm83:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:rn4870_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:h:microchip:rn4870:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:rn4871_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:h:microchip:rn4871:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:bm70_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:h:microchip:bm70:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:bm71_firmware:1.43:*:*:*:*:*:*:*
cpe:2.3:h:microchip:bm71:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:pic_lightblue_explorer_demo_firmware:4.2_dt100112:*:*:*:*:*:*:*
cpe:2.3:h:microchip:pic_lightblue_explorer_demo:-:*:*:*:*:*:*:*
cpe:2.3:o:microchip:is1870_firmware:1.43:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools