6.4
MEDIUM
CVE-2017-3775
Lenovo System x Server BIOS/UEFI Boot Code Authentication Bypass
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.

INFO

Published Date :

May 4, 2018, 5:29 p.m.

Last Modified :

June 13, 2018, 3:58 p.m.

Remotely Exploitable :

No

Impact Score :

5.9

Exploitability Score :

0.5
Affected Products

The following products are affected by CVE-2017-3775 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Lenovo flex_system_x240_m5_bios
2 Lenovo flex_system_x280_x6_bios
3 Lenovo flex_system_x480_x6_bios
4 Lenovo flex_system_x880_bios
5 Lenovo nextscale_nx360_m5_bios
6 Lenovo system_x3250_m6_bios
7 Lenovo system_x3500_m5_bios
8 Lenovo system_x3550_m5_bios
9 Lenovo system_x3650_m5_bios
10 Lenovo system_x3850_x6_bios
11 Lenovo system_x3950_x6_bios
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2017-3775.

URL Resource
https://support.lenovo.com/us/en/solutions/LEN-20241 Patch Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2017-3775 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2017-3775 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Jun. 13, 2018

    Action Type Old Value New Value
    Added CVSS V2 (AV:L/AC:M/Au:N/C:C/I:C/A:C)
    Added CVSS V3 AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://support.lenovo.com/us/en/solutions/LEN-20241 No Types Assigned https://support.lenovo.com/us/en/solutions/LEN-20241 Patch, Vendor Advisory
    Added CWE CWE-287
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:flex_system_x240_m5_bios:*:*:*:*:*:*:*:* versions up to (excluding) 2.61 OR cpe:2.3:h:lenovo:flex_system_x240_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:flex_system_x280_x6_bios:*:*:*:*:*:*:*:* versions up to (excluding) 4.21 OR cpe:2.3:h:lenovo:flex_system_x280_x6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:flex_system_x480_x6_bios:*:*:*:*:*:*:*:* versions up to (excluding) 4.21 OR cpe:2.3:h:lenovo:flex_system_x480_x6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:flex_system_x880_bios:*:*:*:*:*:*:*:* versions up to (excluding) 4.21 OR cpe:2.3:h:lenovo:flex_system_x880:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:nextscale_nx360_m5_bios:*:*:*:*:*:*:*:* versions up to (excluding) 2.61 OR cpe:2.3:h:lenovo:nextscale_nx360_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:system_x3250_m6_bios:*:*:*:*:*:*:*:* versions up to (excluding) 2.23 OR cpe:2.3:h:lenovo:system_x3250_m6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:system_x3500_m5_bios:*:*:*:*:*:*:*:* versions up to (excluding) 2.61 OR cpe:2.3:h:lenovo:system_x3500_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:system_x3550_m5_bios:*:*:*:*:*:*:*:* versions up to (excluding) 2.61 OR cpe:2.3:h:lenovo:system_x3550_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:system_x3650_m5_bios:*:*:*:*:*:*:*:* versions up to (excluding) 2.61 OR cpe:2.3:h:lenovo:system_x3650_m5:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:system_x3850_x6_bios:*:*:*:*:*:*:*:* versions up to (excluding) 4.3 OR cpe:2.3:h:lenovo:system_x3850_x6:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:lenovo:system_x3950_x6_bios:*:*:*:*:*:*:*:* versions up to (excluding) 4.3 OR cpe:2.3:h:lenovo:system_x3950_x6:-:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2017-3775 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} 0.00%

score

0.28068

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability