{"id":"CVE-2023-21509","aliases":["EUVD-2023-25677","GHSA-v5jg-44xq-qw52"],"status":"published","title":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet...","description":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.0019,"percentile":0.08709,"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":"2026-06-17T05:33:03Z","products":[{"vendor":"samsung","product":"samsung_blockchain_keystore"},{"vendor":"samsung mobile","product":"samsung blockchain keystore"}],"references":[{"url":"https://security.samsungmobile.com/serviceWeb.smsb?year=2023\u0026month=05","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-21509"},{"url":"https://github.com/advisories/GHSA-v5jg-44xq-qw52"}],"sources":{"cve":[{"id":"CVE-2023-21509","description":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.","status":"published","published":"2023-05-04T00:00:00Z","modified":"2025-02-12T16:20:21.814Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:20.812737Z"}],"euvd":[{"id":"EUVD-2023-25677","description":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.","status":"published","published":"2023-05-04T00:00:00Z","modified":"2025-02-12T16:20:21Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-03T00:03:57.825751Z"}],"ghsa":[{"id":"GHSA-v5jg-44xq-qw52","title":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet...","description":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.","status":"published","published":"2023-05-04T21:30:29Z","modified":"2024-04-04T03:49:09Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:18.466724Z"}],"nvd":[{"id":"CVE-2023-21509","description":"Out-of-bounds Write vulnerability while processing BC_TUI_CMD_UPDATE_SCREEN in bc_tui trustlet from Samsung Blockchain Keystore prior to version 1.3.12.1 allows local attacker to execute arbitrary code.","status":"published","published":"2023-05-04T21:15:11.27Z","modified":"2026-06-17T05:33:03.04Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:01.131774Z"}]}}