How severe is CVE-2017-3198?

CVE-2017-3198 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-3198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-3198?

CVE-2017-3198 primarily affects Gigabyte Gb-bsi7h-6500 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-3198?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2017-3198 published?

CVE-2017-3198 was published on 2018-07-09 and last updated on 2026-06-17.

CVE-2017-3198

CVE-2017-3198 is a critical-severity vulnerability in Gigabyte Gb-bsi7h-6500 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-311.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-311
Affected product: Gigabyte Gb-bsi7h-6500 Firmware
Published: 2018-07-09
Last modified: 2026-06-17

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.

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.
How severe is CVE-2017-3198?: CVE-2017-3198 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-3198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-3198?: CVE-2017-3198 primarily affects Gigabyte Gb-bsi7h-6500 Firmware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-3198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2017-3198 published?: CVE-2017-3198 was published on 2018-07-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:gigabyte:gb-bsi7h-6500_firmware:f6:*:*:*:*:*:*:*
cpe:2.3:o:gigabyte:gb-bxi7-5775_firmware:f2:*:*:*:*:*:*:*

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