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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…
Medium6.4EPSS 0.27%
- Published
- Updated
- Reserved
- Assigned by
- lenovo
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.4 | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.27% · top 81% of all CVEs (2 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.4.
Weakness
- Booting unauthenticated code
- CWE-287 (opens in a new tab)
Affected products
Lenovo Group Ltd. · Some Lenovo Flex System and Lenovo System x products
- affected Affected BIOS version varies by product
References (1)
- https://support.lenovo.com/us/en/solutions/LEN-20241 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .