CWE
287
Advisory Published
Updated

CVE-2017-3775

First published: Fri May 04 2018(Updated: )

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.

Credit: psirt@lenovo.com

Affected SoftwareAffected VersionHow to fix
Lenovo Flex System X240 M5 Bios<2.61
Lenovo Flex System X240 M5
Lenovo Flex System X280 X6 Bios<4.21
Lenovo Flex System X280 X6
Lenovo Flex System X480 X6 Bios<4.21
Lenovo Flex System X480 X6
Lenovo Flex System X880 Bios<4.21
Lenovo Flex System X880
Lenovo Nextscale Nx360 M5 Bios<2.61
Lenovo Nextscale Nx360 M5
Lenovo System X3250 M6 Bios<2.23
Lenovo System X3250 M6
Lenovo System X3500 M5 Bios<2.61
Lenovo System X3500 M5
Lenovo System X3550 M5 Bios<2.61
Lenovo System X3550 M5
Lenovo System X3650 M5 Bios<2.61
Lenovo System X3650 M5
Lenovo System X3850 X6 Bios<4.3
Lenovo System X3850 X6
Lenovo System X3950 X6 Bios<4.3
Lenovo System X3950 X6

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