CVE-2022-40134

What it is

An information leak vulnerability in the SMI Set BIOS Password SMI Handler in some Lenovo models may allow an attacker with local access and elevated privileges to read SMM memory.

At a glance

Exploitability

Can be exploited locally on the machine with an admin-level account. High risk of data exposure.

Exploit odds

0.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2023-01-30 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 05:00 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.2% in the next 30 days (EPSS).
• Severity: 4.4 MEDIUM (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2023-01-30 22:15 UTC

Last modified

2026-06-17 05:00 UTC

Exploit probability

0.2% · EPSS, next 30 days

Weakness

CWE-125 · Out-of-bounds read

Record status

Modified

Affected

• Lenovo Ideacentre c5-14imb05 Firmware o4hkt38a
• Lenovo Thinkcentre e96z Firmware m26kt22a
• Lenovo Ideacentre 3 07iab7 Firmware m49kt1da
• Lenovo Ideacentre 3-07imb05 Firmware m2vkt1da
• Lenovo Ideacentre 5 14iab7 Firmware m42kt40a
• Lenovo Ideacentre 5-14acn6 Firmware o5ekt21a
• Lenovo Ideacentre 5-14imb05 Firmware o4hkt38a
• Lenovo Ideacentre 5-14iob6 Firmware m3gkt33a

Attack profile CVSS 3.1 · 4.4

Attack vector

Local

Complexity

Low

Privileges needed

High

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2022-40134.md and follow it. Check whether this project is affected by CVE-2022-40134. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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