{"id":"CVE-2023-21472","aliases":["EUVD-2023-25640","GHSA-x7f5-5fc5-8j42"],"status":"published","title":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1...","description":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.","severity":{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00226,"percentile":0.1339,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2025-09-03T05:17:04Z","modified":"2026-06-17T05:32:40Z","products":[{"vendor":"samsung","product":"android"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=04","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21472"},{"url":"https://github.com/advisories/GHSA-x7f5-5fc5-8j42"}],"sources":{"cve":[{"id":"CVE-2023-21472","description":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.","status":"published","published":"2025-09-03T05:17:04.888Z","modified":"2025-09-03T15:43:53.037Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:35:19.959682Z"}],"euvd":[{"id":"EUVD-2023-25640","description":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.","status":"published","published":"2025-09-03T05:17:04Z","modified":"2025-09-03T15:43:53Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-02T20:31:47.847286Z"}],"ghsa":[{"id":"GHSA-x7f5-5fc5-8j42","title":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1...","description":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.","status":"published","published":"2025-09-05T18:31:13Z","modified":"2025-09-05T18:31:19Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T15:03:30.514996Z"}],"nvd":[{"id":"CVE-2023-21472","description":"Improper input validation with Exynos Fastboot USB Interface prior to SMR Apr-2023 Release 1 allows a physical attacker to execute arbitrary code in bootloader.","status":"published","published":"2025-09-03T06:15:40.643Z","modified":"2026-06-17T05:32:40.937Z","cvss":[{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:09:21.774456Z"}]}}