{"cve":"CVE-2021-25424","nvd":{"published":"2021-06-11T15:15:10.963","modified":"2026-06-17T03:42:03.373","status":"Modified","description":"Improper authentication vulnerability in Tizen bluetooth-frwk prior to Firmware update JUN-2021 Release allows bluetooth attacker to take over the user's bluetooth device without user awareness.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-287"],"references":["https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=6","https://security.samsungmobile.com/serviceWeb.smsb?year=2021&month=6"],"products":["samsung:galaxy_watch_3_firmware","samsung:galaxy_watch_active_2_firmware","samsung:galaxy_watch_active_firmware","samsung:galaxy_watch_firmware","samsung:gear_2_firmware","samsung:gear_2_neo_firmware","samsung:gear_s2_firmware","samsung:gear_s3_firmware","samsung:gear_s_firmware"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-25424","score":0.00438,"percentile":0.38102,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}