{"id":"CVE-2023-20587","aliases":["EUVD-2023-24766","GHSA-3jmf-c2v9-xc39"],"status":"published","title":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI...","description":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI flash potentially leading to arbitrary code execution.","severity":{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-12","score":0.00173,"percentile":0.06798,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2024-02-13T19:31:22Z","modified":"2026-06-17T05:30:22Z","products":[{"vendor":"amd","product":"1st gen amd epyc™ processors"},{"vendor":"amd","product":"2nd gen amd epyc™ processors"},{"vendor":"amd","product":"3rd gen amd epyc™ processors"},{"vendor":"amd","product":"4th gen amd epyc™ processors"},{"vendor":"amd","product":"amd epyc(tm) embedded 3000"},{"vendor":"amd","product":"amd epyc(tm) embedded 7002"},{"vendor":"amd","product":"amd epyc(tm) embedded 7003"},{"vendor":"amd","product":"amd epyc(tm) embedded 9003"}],"references":[{"url":"https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009","tags":["vendor-advisory","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-20587"},{"url":"https://github.com/advisories/GHSA-3jmf-c2v9-xc39"}],"sources":{"cve":[{"id":"CVE-2023-20587","description":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI flash potentially leading to arbitrary code execution.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2024-02-13T19:31:22.706Z","modified":"2025-05-07T21:10:03.008Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"adp"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-24766","description":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI flash potentially leading to arbitrary code execution.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2024-02-13T19:31:22Z","modified":"2025-05-07T21:10:03Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-02T20:32:52.039629Z"}],"ghsa":[{"id":"GHSA-3jmf-c2v9-xc39","title":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI...","description":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI flash potentially leading to arbitrary code execution.","status":"published","published":"2024-02-13T21:30:30Z","modified":"2025-05-08T00:32:13Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T15:02:12.439359Z"}],"nvd":[{"id":"CVE-2023-20587","description":"Improper\nAccess Control in System Management Mode (SMM) may allow an attacker access to\nthe SPI flash potentially leading to arbitrary code execution.\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n","status":"published","published":"2024-02-13T20:15:52.677Z","modified":"2026-06-17T05:30:22.307Z","cvss":[{"version":"3.1","score":7.1,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:09:04.527564Z"}]}}