Vulnerability Details : 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 booting it. As a result, an attacker with physical access to the system could boot unsigned code.
Vulnerability category: BypassGain privilege
Products affected by CVE-2017-3775
- cpe:2.3:o:lenovo:flex_system_x240_m5_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:flex_system_x280_x6_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:flex_system_x480_x6_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:flex_system_x880_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:nextscale_nx360_m5_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3250_m6_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3500_m5_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3550_m5_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3650_m5_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3850_x6_bios:*:*:*:*:*:*:*:*
- cpe:2.3:o:lenovo:system_x3950_x6_bios:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-3775
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 29 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-3775
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.9
|
MEDIUM | AV:L/AC:M/Au:N/C:C/I:C/A:C |
3.4
|
10.0
|
NIST | |
|
6.4
|
MEDIUM | CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
0.5
|
5.9
|
NIST |
CWE ids for CVE-2017-3775
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-3775
-
https://support.lenovo.com/us/en/solutions/LEN-20241
System x Secure Boot Vulnerability - USPatch;Vendor Advisory
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