CVE-2017-3197

Public Exploit
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.

Categories

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.57% Top 20%
Third-Party Advisory cert.org Third-Party Advisory securityfocus.com Third-Party Advisory github.com Third-Party Advisory github.com Third-Party Advisory cylance.com
Affected: GIGABYTE GB-BSi7H-6500
Affected: GIGABYTE GB-BXi7-5775
Published at:
Updated at:

References

Link Tags
https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md third party advisory exploit
https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md third party advisory exploit
https://www.kb.cert.org/vuls/id/507496 third party advisory us government resource
http://www.securityfocus.com/bid/97294 vdb entry third party advisory
https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2017-3197?
CVE-2017-3197 has been scored as a critical severity vulnerability.
How to fix CVE-2017-3197?
To fix CVE-2017-3197, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-3197 being actively exploited in the wild?
It is possible that CVE-2017-3197 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2017-3197?
CVE-2017-3197 affects GIGABYTE GB-BSi7H-6500, GIGABYTE GB-BXi7-5775.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.