{"id":"CVE-2021-22492","aliases":["EUVD-2021-9638","GHSA-g9j8-5mrc-ff94"],"status":"published","title":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom...","description":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).","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":0.00255,"percentile":0.17244,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-120"],"published":"2021-01-05T17:54:52Z","modified":"2026-06-17T03:37:19Z","products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-22492"},{"url":"https://github.com/advisories/GHSA-g9j8-5mrc-ff94"}],"sources":{"cve":[{"id":"CVE-2021-22492","description":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).","status":"published","published":"2021-01-05T17:54:52Z","modified":"2024-08-03T18:44:13.679Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-9638","description":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).","status":"published","published":"2021-01-05T17:54:52Z","modified":"2024-08-03T18:44:13Z","updated_at":"2026-11-03T03:25:02.042856Z"}],"ghsa":[{"id":"GHSA-g9j8-5mrc-ff94","title":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom...","description":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).","status":"published","published":"2022-05-24T17:38:02Z","modified":"2023-01-29T05:05:56Z","cwes":["CWE-120"],"updated_at":"2026-11-02T14:45:54.702484Z"}],"nvd":[{"id":"CVE-2021-22492","description":"An issue was discovered on Samsung mobile devices with O(8.x), P(9.0), and Q(10.0) (Broadcom Bluetooth chipsets) software. The Bluetooth UART driver has a buffer overflow. The Samsung ID is SVE-2020-18731 (January 2021).","status":"published","published":"2021-01-05T18:15:18.74Z","modified":"2026-06-17T03:37:19.177Z","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-120"],"updated_at":"2026-11-02T14:06:49.284888Z"}]}}