CVE-2017-3197

critical

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.

References

Advisories
More

https://www.kb.cert.org/vuls/id/507496

http://www.securityfocus.com/bid/97294

https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html

https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md

https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md

Details

Source: Mitre, NVD

Published: 2018-07-09

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.01597