GIGABYTE BRIX UEFI firmware fails to securely implement BIOS write protection
Published Jul 9, 2018
9.8
CRITICALCVSS 3.0
EPSS 5.57%
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.
Affected products
-
- Version F6StatusaffectedConstraints-
- Version
-
- Version F2StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Gigabyte | GB-BSi7H-6500 | n/a |
| ||||||
| Gigabyte | GB-BXi7-5775 | n/a |
|
Configuration 1
- f6
Running on/with
- n/a
Configuration 2
- f2
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (29 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 5.57% (0.05569) | 92.62th | v5 (v2026.06.15) |
| Sep 22, 2026 | 5.57% (0.05569) | 92.51th | v5 (v2026.06.15) |
| Sep 21, 2026 | 11.86% (0.11864) | 95.97th | v5 (v2026.06.15) |
| Sep 20, 2026 | 5.57% (0.05569) | 92.51th | v5 (v2026.06.15) |
| Sep 6, 2026 | 5.64% (0.05641) | 92.45th | v5 (v2026.06.15) |
| Sep 5, 2026 | 12.01% (0.12013) | 95.92th | v5 (v2026.06.15) |
| Aug 30, 2026 | 5.64% (0.05641) | 92.41th | v5 (v2026.06.15) |
| Aug 28, 2026 | 12.01% (0.12013) | 95.89th | v5 (v2026.06.15) |
| Aug 24, 2026 | 5.64% (0.05641) | 92.36th | v5 (v2026.06.15) |
| Aug 23, 2026 | 12.01% (0.12013) | 95.88th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.32% (0.05319) | 91.52th | v5 (v2026.06.15) |
| Oct 15, 2025 | 2.99% (0.02992) | 86.00th | v4 (v2025.03.14) |
| Aug 4, 2025 | 4.06% (0.04055) | 88.09th | v4 (v2025.03.14) |
| Mar 30, 2025 | 1.60% (0.01597) | 80.00th | v4 (v2025.03.14) |
| Mar 29, 2025 | 3.14% (0.03138) | 78.01th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.57% (0.00571) | 78.08th | v3 (v2023.03.01) |
| Mar 13, 2024 | 0.57% (0.00571) | 77.37th | v3 (v2023.03.01) |
| Nov 30, 2023 | 0.57% (0.00571) | 75.36th | v3 (v2023.03.01) |
| Aug 7, 2023 | 0.89% (0.00885) | 80.41th | v3 (v2023.03.01) |
| Jul 3, 2023 | 0.88% (0.00878) | 80.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.04% (0.01045) | 81.68th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.25% (0.01247) | 30.57th | v1 |
| Jan 6, 2022 | 1.25% (0.01247) | 29.93th | v1 |
| Sep 1, 2021 | 1.25% (0.01247) | 68.62th | v1 |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (5)
- http://www.securityfocus.com/bid/97294 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md x_refsource_MISCExploitThird Party Advisory
- https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md x_refsource_MISCExploitThird Party Advisory
- https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html x_refsource_MISCExploitThird Party Advisory
- https://www.kb.cert.org/vuls/id/507496 third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/97294 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-001.md | x_refsource_MISCExploitThird Party Advisory | |
| https://github.com/CylanceVulnResearch/disclosures/blob/master/CLVA-2017-01-002.md | x_refsource_MISCExploitThird Party Advisory | |
| https://www.cylance.com/en_us/blog/gigabyte-brix-systems-vulnerabilities.html | x_refsource_MISCExploitThird Party Advisory | |
| https://www.kb.cert.org/vuls/id/507496 | third-party-advisoryx_refsource_CERT-VNThird Party AdvisoryUS Government Resource |
Change history (0)
No recorded changes yet.