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CVE-2017-3197

GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection

9.8 Critical

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.

What does this mean?
Severity
9.8 CriticalCVSS 3.0, NVD
Exploit chance
5.57%EPSS, 92nd percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

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.

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
90%50%10%1%

Affected products

What each source reports

NVD Score used9.8

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.

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 ListNo score

GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection

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.

Record
CVE-2017-3197
Weakness
CWE-693
Updated
2026-11-02
EUVDEUVD-2017-12323No score

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.

Record
EUVD-2017-12323
Updated
2026-11-03
GitHub AdvisoriesGHSA-r83h-qmfh-pxvf9.8

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

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.

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

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

References

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