medium6.4
CVE-2017-3775
Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before boo…
Impact
Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system administrator, do not properly authenticate signed code before booting it. As a result, an attacker with physical access to the system could boot unsigned code.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Lenovo | Flex System X240 M5 Bios | before 2.61 |
| Lenovo | Flex System X280 X6 Bios | before 4.21 |
| Lenovo | Flex System X480 X6 Bios | before 4.21 |
| Lenovo | Flex System X880 Bios | before 4.21 |
| Lenovo | Nextscale Nx360 M5 Bios | before 2.61 |
| Lenovo | System X3250 M6 Bios | before 2.23 |
| Lenovo | System X3500 M5 Bios | before 2.61 |
| Lenovo | System X3550 M5 Bios | before 2.61 |
| Lenovo | System X3650 M5 Bios | before 2.61 |
| Lenovo | System X3850 X6 Bios | before 4.3 |
| Lenovo | System X3950 X6 Bios | before 4.3 |