Auth bypass in Microchip Rn4870
CVE-2022-45190
An issue was discovered on Microchip RN4870 1.43 devices. An attacker within BLE radio range can bypass passkey entry in the legacy pairing of the device.
Vulnerability class: Broken Authentication
EPSS: 0.003 (17.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.
Affected products
- Microchip Rn4870
- Microchip Rn4870_firmware — versions 1.43
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Technical Description, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-45190?
- CVE-2022-45190 is a medium-severity vulnerability in Microchip Rn4870, classified under Missing Authentication for Critical Function. CVSS score: 5.3/10. Published 2023-02-08.
- How severe is CVE-2022-45190?
- Medium severity. CVSS v3 base score is 5.3 out of 10.