CVE-2017-3197
9.8
CRITICAL · CVSS 3.0 · EPSS 5.6% (pctl 93)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 5.57% — more likely to be exploited than 93% of all CVEs |
| Weakness | CWE-693 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-07-09 |
| Last modified | 2026-06-17 |
Affected (4)
| Vendor | Product |
|---|---|
| gigabyte | gb-bsi7h-6500 |
| gigabyte | gb-bsi7h-6500 firmware |
| gigabyte | gb-bxi7-5775 |
| gigabyte | gb-bxi7-5775 firmware |
References
- http://www.securityfocus.com/bid/97294
- https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md
- https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md
- 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://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md
- https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md
- https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html
- https://www.kb.cert.org/vuls/id/507496
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