{"id":"CVE-2022-46400","aliases":["EUVD-2022-49209","GHSA-g8ch-8r7r-4wwj"],"status":"published","title":"The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2...","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.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00639,"percentile":0.51087,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-863"],"published":"2022-12-19T00:00:00Z","modified":"2026-06-17T05:11:42Z","products":[{"vendor":"microchip","product":"bm70_firmware"},{"vendor":"microchip","product":"bm71_firmware"},{"vendor":"microchip","product":"bm78_firmware"},{"vendor":"microchip","product":"bm83_firmware"},{"vendor":"microchip","product":"is1870_firmware"},{"vendor":"microchip","product":"is1871_firmware"},{"vendor":"microchip","product":"pic_lightblue_explorer_demo_firmware"},{"vendor":"microchip","product":"rn4870_firmware"},{"vendor":"microchip","product":"rn4871_firmware"}],"references":[{"url":"https://www.computer.org/csdl/proceedings/sp/2023/1He7WWuJExG","tags":["x_transferred","Third Party Advisory"]},{"url":"https://www.computer.org/csdl/proceedings-article/sp/2023/933600a521/1He7Yja1AYM","tags":["x_transferred","Exploit","Technical Description","Third Party Advisory"]},{"url":"https://microchip.com","tags":["x_transferred","Product"]},{"url":"https://www.microchip.com/en-us/products/wireless-connectivity/software-vulnerability-response/deviating-behaviors-in-bluetooth-le","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-46400"},{"url":"https://github.com/advisories/GHSA-g8ch-8r7r-4wwj"}],"sources":{"cve":[{"id":"CVE-2022-46400","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.","status":"published","published":"2022-12-19T00:00:00Z","modified":"2025-04-17T14:30:49.785Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:34:31.840191Z"}],"euvd":[{"id":"EUVD-2022-49209","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.","status":"published","published":"2022-12-19T00:00:00Z","modified":"2025-04-17T14:30:49Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:52:21.593744Z"}],"ghsa":[{"id":"GHSA-g8ch-8r7r-4wwj","title":"The Microchip RN4870 module firmware 1.43 (and the Microchip PIC LightBlue Explorer Demo 4.2...","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.","status":"published","published":"2022-12-20T00:30:28Z","modified":"2025-04-17T15:33:35Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium"}],"cwes":["CWE-287","CWE-863"],"updated_at":"2026-11-02T15:01:36.418546Z"}],"nvd":[{"id":"CVE-2022-46400","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.","status":"published","published":"2022-12-19T23:15:10.96Z","modified":"2026-06-17T05:11:42.123Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"primary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:34.031641Z"}]}}