{"id":"CVE-2023-40220","aliases":["EUVD-2023-44817","GHSA-xmm7-2j6p-p24v"],"status":"published","title":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to...","description":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00206,"percentile":0.10781,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-92"],"published":"2023-11-14T19:05:05Z","modified":"2026-06-17T06:16:48Z","products":[{"vendor":"intel","product":"nuc6cayh_firmware"},{"vendor":"intel","product":"nuc6cays_firmware"}],"references":[{"url":"https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-01001.html","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40220"},{"url":"https://github.com/advisories/GHSA-xmm7-2j6p-p24v"}],"sources":{"cve":[{"id":"CVE-2023-40220","description":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.","status":"published","published":"2023-11-14T19:05:05.694Z","modified":"2024-08-14T20:02:05.993Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-92"],"updated_at":"2026-11-02T14:35:21.971258Z"}],"euvd":[{"id":"EUVD-2023-44817","description":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.","status":"published","published":"2023-11-14T19:05:05Z","modified":"2024-08-14T20:02:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:56:17.723066Z"}],"ghsa":[{"id":"GHSA-xmm7-2j6p-p24v","title":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to...","description":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.","status":"published","published":"2023-11-14T21:31:02Z","modified":"2023-11-14T21:31:03Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:55:01.730245Z"}],"nvd":[{"id":"CVE-2023-40220","description":"Improper buffer restrictions in some Intel(R) NUC BIOS firmware may allow a privileged user to potentially enable information disclosure via local access.","status":"published","published":"2023-11-14T19:15:30.497Z","modified":"2026-06-17T06:16:48.117Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":4.4,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-92"],"updated_at":"2026-11-02T14:08:46.647045Z"}]}}