{"id":"CVE-2021-25424","aliases":["EUVD-2021-12320","GHSA-f9wq-7pg8-8r2r"],"status":"published","title":"Improper authentication vulnerability in Tizen bluetooth-frwk prior to Firmware update JUN-2021...","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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00438,"percentile":0.38398,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-06-11T14:33:46Z","modified":"2026-06-17T03:42:03Z","products":[{"vendor":"samsung","product":"galaxy_watch_3_firmware"},{"vendor":"samsung","product":"galaxy_watch_active_2_firmware"},{"vendor":"samsung","product":"galaxy_watch_active_firmware"},{"vendor":"samsung","product":"galaxy_watch_firmware"},{"vendor":"samsung","product":"gear_2_firmware"},{"vendor":"samsung","product":"gear_2_neo_firmware"},{"vendor":"samsung","product":"gear_s2_firmware"},{"vendor":"samsung","product":"gear_s3_firmware"},{"vendor":"samsung","product":"gear_s_firmware"},{"vendor":"samsung mobile","product":"tizen wearable devices"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2021\u0026month=6","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25424"},{"url":"https://github.com/advisories/GHSA-f9wq-7pg8-8r2r"}],"sources":{"cve":[{"id":"CVE-2021-25424","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.","status":"published","published":"2021-06-11T14:33:46Z","modified":"2024-08-03T20:03:05.579Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12320","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.","status":"published","published":"2021-06-11T14:33:46Z","modified":"2024-08-03T20:03:05Z","updated_at":"2026-11-03T03:24:53.302862Z"}],"ghsa":[{"id":"GHSA-f9wq-7pg8-8r2r","title":"Improper authentication vulnerability in Tizen bluetooth-frwk prior to Firmware update JUN-2021...","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.","status":"published","published":"2022-05-24T19:05:06Z","modified":"2023-01-29T05:07:59Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:12.058225Z"}],"nvd":[{"id":"CVE-2021-25424","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.","status":"published","published":"2021-06-11T15:15:10.963Z","modified":"2026-06-17T03:42:03.373Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:54.439974Z"}]}}