{"id":"CVE-2017-3197","aliases":["EUVD-2017-12323","GHSA-r83h-qmfh-pxvf"],"status":"published","title":"GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection","description":"GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2) platforms does not securely implement BIOSWE, BLE, SMM_BWP, and PRx features. As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.05569,"percentile":0.92918,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-693"],"published":"2018-07-09T19:00:00Z","modified":"2026-06-17T01:17:42Z","products":[{"vendor":"gigabyte","product":"gb-bsi7h-6500"},{"vendor":"gigabyte","product":"gb-bsi7h-6500_firmware"},{"vendor":"gigabyte","product":"gb-bxi7-5775"},{"vendor":"gigabyte","product":"gb-bxi7-5775_firmware"}],"references":[{"url":"https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.kb.cert.org/vuls/id/507496","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/97294","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-3197"},{"url":"https://github.com/advisories/GHSA-r83h-qmfh-pxvf"}],"sources":{"cve":[{"id":"CVE-2017-3197","title":"GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection","description":"GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2) platforms does not securely implement BIOSWE, BLE, SMM_BWP, and PRx features. As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.","status":"published","published":"2018-07-09T19:00:00Z","modified":"2024-08-05T14:16:28.25Z","cwes":["CWE-693"],"updated_at":"2026-11-02T14:33:16.232024Z"}],"euvd":[{"id":"EUVD-2017-12323","description":"GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2) platforms does not securely implement BIOSWE, BLE, SMM_BWP, and PRx features. As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.","status":"published","published":"2018-07-09T19:00:00Z","modified":"2024-08-05T14:16:28Z","updated_at":"2026-11-03T02:39:18.505086Z"}],"ghsa":[{"id":"GHSA-r83h-qmfh-pxvf","title":"GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2)...","description":"GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2) platforms does not securely implement BIOSWE, BLE, SMM_BWP, and PRx features. As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.","status":"published","published":"2022-05-13T01:36:43Z","modified":"2023-02-01T05:08:45Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:50:51.059157Z"}],"nvd":[{"id":"CVE-2017-3197","description":"GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2) platforms does not securely implement BIOSWE, BLE, SMM_BWP, and PRx features. As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.","status":"published","published":"2018-07-09T19:29:00.247Z","modified":"2026-06-17T01:17:42.91Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-693","CWE-20"],"updated_at":"2026-11-02T14:04:18.679411Z"}]}}