{"id":"CVE-2023-21489","aliases":["EUVD-2023-25657","GHSA-jqmg-5jqp-94q9"],"status":"published","title":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a...","description":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00267,"percentile":0.18928,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-05-04T00:00:00Z","modified":"2026-06-17T05:32:45Z","products":[{"vendor":"samsung","product":"android"},{"vendor":"samsung mobile","product":"samsung mobile devices"}],"references":[{"url":"https://security.samsungmobile.com/securityUpdate.smsb?year=2023\u0026month=05","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21489"},{"url":"https://github.com/advisories/GHSA-jqmg-5jqp-94q9"}],"sources":{"cve":[{"id":"CVE-2023-21489","description":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.","status":"published","published":"2023-05-04T00:00:00Z","modified":"2025-02-12T16:13:35.431Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:20.812737Z"}],"euvd":[{"id":"EUVD-2023-25657","description":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.","status":"published","published":"2023-05-04T00:00:00Z","modified":"2025-02-12T16:13:35Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:03:57.825751Z"}],"ghsa":[{"id":"GHSA-jqmg-5jqp-94q9","title":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a...","description":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.","status":"published","published":"2023-05-04T21:30:28Z","modified":"2024-04-11T21:13:54Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:57:08.55794Z"}],"nvd":[{"id":"CVE-2023-21489","description":"Heap out-of-bounds write vulnerability in bootloader prior to SMR May-2023 Release 1 allows a physical attacker to execute arbitrary code.","status":"published","published":"2023-05-04T21:15:09.883Z","modified":"2026-06-17T05:32:45.71Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.8,"vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:07:59.151142Z"}]}}