6.9

CVE-2017-3775: lenovo group ltd. some lenovo flex system and lenovo system x products Improper Authentication

CVSS: 6.9v2.0MediumModified
Published 04-05-2018Last modified 16-09-2024
Open JSON

Vulnerability summary

CVE-2017-3775 is a medium (CVSS 6.9) Improper Authentication vulnerability in lenovo group ltd. some lenovo flex system and lenovo system x products. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 17.3% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.9/10
010
Medium · v2.0 (NVD)
EPSS score
0.27%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 04-05-2018
    PublishedVulnerability first disclosed.
  2. 16-09-2024
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 1 source · 2 versions

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

-0.01 pp

From 0.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.27%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Lenovo11 products
Lenovo group ltd.1 product

2 vendors · 12 products

References

1 links