Improper input validation in Microchip Bm64

CVE-2022-46401

The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2 DT100112) accepts PauseEncReqPlainText before pairing is complete.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.007 (47.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2022-46401?
CVE-2022-46401 is a medium-severity vulnerability in Microchip Bm64, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2022-12-19.
How severe is CVE-2022-46401?
Medium severity. CVSS v3 base score is 5.4 out of 10.