What’s Vulnerable › Vulnerabilities

CVE-2017-3198: GIGABYTE BRIX UEFI firmware is not cryptographically signed

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-07-09 · updated 2026-06-17
• Weakness: CWE-345

Description

GIGABYTE BRIX UEFI firmware does not cryptographically validate images prior to updating the system firmware. Additionally, the firmware updates are served over HTTP. An attacker can make arbitrary modifications to firmware images without being detected.

Affected products

• Gigabyte Gb-Bsi7H-6500 Firmware: f6
• Gigabyte Gb-Bxi7-5775 Firmware: f2

References

• http://www.securityfocus.com/bid/97294
• https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html
• 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://www.kb.cert.org/vuls/id/507496

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