CVE-2017-3197

GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection

9.8 Critical

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

5.57%Up 4.3 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

Record: CVE-2017-3197
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-693, CWE-20
Updated: 2026-11-02

CVE List No score

GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection

Record: CVE-2017-3197
Weakness: CWE-693
Updated: 2026-11-02

EUVDEUVD-2017-12323 No score

Record: EUVD-2017-12323
Updated: 2026-11-03

GitHub AdvisoriesGHSA-r83h-qmfh-pxvf 9.8

GIGABYTE BRIX UEFI firmware for the GB-BSi7H-6500 (version F6) and GB-BXi7-5775 (version F2)...

Record: GHSA-r83h-qmfh-pxvf
CVSS 3.0: 9.8 CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-20
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-3197 is a critical vulnerability (CVSS 9.8) in Gigabyte Gb-bsi7h-6500, published July 9, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.57%, the 92nd percentile. No source names a fixed version.