Is CVE-2017-3775 actively exploited?

No active exploitation of CVE-2017-3775 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-3775 be exploited remotely?

No. CVE-2017-3775 requires physical access to exploit.

What is the CVSS score of CVE-2017-3775?

CVE-2017-3775 has a CVSS score of 6.4 (MEDIUM).

HOME VULNERABILITIESCVE-2017-3775

MEDIUM

CVE-2017-3775

CWE-287Published: May 4, 2018· Updated: Jun 17, 2026

6.4

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2017-3775 requires local access, meaning attackers must already have a foothold on the target system.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 6.4.

From a weakness classification perspective (CWE-287): Authentication bypass vulnerabilities allow attackers to access protected resources without valid credentials.

CVSS v3.1 Vector Breakdown

Exploitability

Attack VectorPhysical

Attack ComplexityHigh

Privileges Req.None

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Lenovo22 product(s)

flex system x240 m5 biosflex system x240 m5flex system x280 x6 biosflex system x280 x6flex system x480 x6 biosflex system x480 x6flex system x880 biosflex system x880nextscale nx360 m5 biosnextscale nx360 m5system x3250 m6 biossystem x3250 m6+10

Source: NVD CPE · 22 total CPE entries