{"id":"CVE-2017-3775","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-3775","generatedAt":"2026-10-28T19:03:48.470Z","title":"As a result, an attacker with physical access to the system could boot unsigned code.","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.","published":"2018-05-04T17:29:00.000Z","lastModified":"2026-06-17T01:18:55.000Z","status":"Modified","sourceIdentifier":"psirt@lenovo.com","cvss":{"version":"3.0","score":6.4,"severity":"MEDIUM","vector":"CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-287"],"affected":["lenovo/flex system x240 m5 bios","lenovo/flex system x280 x6 bios","lenovo/flex system x480 x6 bios","lenovo/flex system x880 bios","lenovo/nextscale nx360 m5 bios","lenovo/system x3250 m6 bios","lenovo/system x3500 m5 bios","lenovo/system x3550 m5 bios","lenovo/system x3650 m5 bios","lenovo/system x3850 x6 bios","lenovo/system x3950 x6 bios"],"epss":{"score":0.00266,"percentile":0.184,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.27%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://support.lenovo.com/us/en/solutions/LEN-20241","tags":["Patch","Vendor Advisory"],"source":"psirt@lenovo.com"},{"url":"https://support.lenovo.com/us/en/solutions/LEN-20241","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-3775","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}