What is CVE-2022-48189?

CVE-2022-48189 is a medium-severity vulnerability in Lenovo Thinkpad Bios, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-10-30.

How severe is CVE-2022-48189?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Improper input validation in Lenovo Thinkpad Bios

CVE-2022-48189

An SMM driver input validation vulnerability in the BIOS of some ThinkPad models could allow an attacker with local access and elevated privileges to execute arbitrary code.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-10-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (8.6th percentile), scored 2026-10-20.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 8.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

support.lenovo.com/us/en/product_security/LEN-106014 (Vendor Advisory)

Frequently asked questions

What is CVE-2022-48189?: CVE-2022-48189 is a medium-severity vulnerability in Lenovo Thinkpad Bios, classified under Improper Input Validation. CVSS score: 6.7/10. Published 2023-10-30.
How severe is CVE-2022-48189?: Medium severity. CVSS v3 base score is 6.7 out of 10.