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CRITICAL

CVE-2017-3198

CVSS v3

9.8

CRITICAL

EPSS Score

1.6 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2018-07-09

Frequently asked questions

What is CVE-2017-3198?

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.

Is CVE-2017-3198 actively exploited?

Active exploitation of CVE-2017-3198 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2017-3198?

CVE-2017-3198 has a CVSS v3 base score of 9.8 (CRITICAL severity).

Is CVE-2017-3198 affecting your environment?

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