{"id":"CVE-2017-3775","aliases":["EUVD-2017-12892","GHSA-m3r2-464w-g5x4"],"status":"published","title":"Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system...","description":"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.","severity":{"version":"3.0","score":6.4,"vector":"CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00266,"percentile":0.18595,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2018-05-04T16:00:00Z","modified":"2026-06-17T01:18:54Z","products":[{"vendor":"lenovo","product":"flex_system_x240_m5_bios"},{"vendor":"lenovo","product":"flex_system_x280_x6_bios"},{"vendor":"lenovo","product":"flex_system_x480_x6_bios"},{"vendor":"lenovo","product":"flex_system_x880_bios"},{"vendor":"lenovo","product":"nextscale_nx360_m5_bios"},{"vendor":"lenovo","product":"system_x3250_m6_bios"},{"vendor":"lenovo","product":"system_x3500_m5_bios"},{"vendor":"lenovo","product":"system_x3550_m5_bios"},{"vendor":"lenovo","product":"system_x3650_m5_bios"},{"vendor":"lenovo","product":"system_x3850_x6_bios"},{"vendor":"lenovo","product":"system_x3950_x6_bios"},{"vendor":"lenovo group ltd.","product":"some lenovo flex system and lenovo system x products"}],"references":[{"url":"https://support.lenovo.com/us/en/solutions/LEN-20241","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-3775"},{"url":"https://github.com/advisories/GHSA-m3r2-464w-g5x4"}],"sources":{"cve":[{"id":"CVE-2017-3775","description":"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.","status":"published","published":"2018-05-04T16:00:00Z","modified":"2024-09-16T23:56:19.792Z","updated_at":"2026-11-02T14:33:15.887816Z"}],"euvd":[{"id":"EUVD-2017-12892","description":"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.","status":"published","published":"2018-05-04T16:00:00Z","modified":"2024-09-16T23:56:19Z","updated_at":"2026-11-03T00:29:03.911526Z"}],"ghsa":[{"id":"GHSA-m3r2-464w-g5x4","title":"Some Lenovo System x server BIOS/UEFI versions, when Secure Boot mode is enabled by a system...","description":"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.","status":"published","published":"2022-05-14T03:18:34Z","modified":"2023-02-02T05:07:39Z","cvss":[{"version":"3.0","score":6.4,"vector":"CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:52:33.427724Z"}],"nvd":[{"id":"CVE-2017-3775","description":"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.","status":"published","published":"2018-05-04T17:29:00.223Z","modified":"2026-06-17T01:18:54.847Z","cvss":[{"version":"3.0","score":6.4,"vector":"CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":6.9,"vector":"AV:L/AC:M/Au:N/C:C/I:C/A:C","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:04:17.638656Z"}]}}