6.7

CVE-2022-40137: lenovo bios Classic Buffer Overflow

CVSS: 6.7v3.1MediumModified
Published 30-01-2023Last modified 27-03-2025

Vulnerability summary

CVE-2022-40137 is a medium (CVSS 6.7) Classic Buffer Overflow vulnerability in lenovo bios. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.5% of scored vulnerabilities.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-01-2023
    PublishedVulnerability first disclosed.
  2. 27-03-2025
    Last modifiedVulnerability information updated.

Description

A buffer overflow in the WMI SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to execute arbitrary code.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

13%

Versus all other CVEs

30-day change

0.00 pp

From 0.23% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.23%

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

Lenovo200 products

1 vendor · 200 products · Showing 200 of 285. Use Open JSON for the complete list.

References

1 links