{"id":"CVE-2017-3197","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-3197","generatedAt":"2026-10-28T21:19:22.083Z","title":"As a result, the BIOS is not protected from arbitrary write access and may permit modifications to the SPI flash.","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.","published":"2018-07-09T19:29:00.000Z","lastModified":"2026-06-17T01:17:43.000Z","status":"Modified","sourceIdentifier":"cret@cert.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-693","CWE-20"],"affected":["gigabyte/gb-bsi7h-6500 firmware","gigabyte/gb-bxi7-5775 firmware"],"epss":{"score":0.05569,"percentile":0.92827,"date":"2026-10-27","history":[{"date":"2026-09-21","score":0.11864,"percentile":0.95966},{"date":"2026-09-22","score":0.05569,"percentile":0.92512}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (5.57%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[{"kind":"epss","label":"EPSS jump","at":"2026-09-21T00:00:00.000Z","detail":{"to":0.11864,"from":0.05569,"percentile":0.95966},"summary":"EPSS moved from 5.6% to 11.9% probability of exploitation in the next thirty days."}],"references":[{"url":"http://www.securityfocus.com/bid/97294","tags":["Third Party Advisory","VDB Entry"],"source":"cret@cert.org"},{"url":"https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html","tags":["Exploit","Third Party Advisory"],"source":"cret@cert.org"},{"url":"https://www.kb.cert.org/vuls/id/507496","tags":["Third Party Advisory","US Government Resource"],"source":"cret@cert.org"},{"url":"http://www.securityfocus.com/bid/97294","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.kb.cert.org/vuls/id/507496","tags":["Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-3197","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}