CVE-2017-3198: GIGABYTE BRIX UEFI firmware is not cryptographically signed
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 7 public reports, the first from .
- How likely is exploitation in the next 30 days?
- 1.6%
EPSS score, percentile 75.4 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- Not scored
The CVE record carries no CVSS score.
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- F6
- F2
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
GIGABYTE BRIX UEFI firmware is not cryptographically signed
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.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (2 products)
| Status | Versions |
|---|---|
| Affected | F6 |
| Status | Versions |
|---|---|
| Affected | F2 |
Source: CVE List, as of . About the data.
Weakness
CWE-345
- CWE-345: Insufficient Verification of Data Authenticity
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |
References
3
Known exploited GIGABYTE vulnerabilities
- CVE-2018-19320: GIGABYTE Multiple Products Unspecified Vulnerability
- CVE-2018-19321: GIGABYTE Multiple Products Privilege Escalation Vulnerability
- CVE-2018-19322: GIGABYTE Multiple Products Code Execution Vulnerability
- CVE-2018-19323: GIGABYTE Multiple Products Privilege Escalation Vulnerability