CVE-2020-8332

6.4 MEDIUM 0.2% exploit odds Fix listed

What it is

A potential vulnerability in the SMI callback function used in the legacy BIOS mode USB drivers in some legacy Lenovo and IBM System x servers may allow arbitrary code execution. Servers operating in UEFI mode are not affected.

At a glance

Exploitability: Can be exploited locally on the machine with an admin-level account. High risk of data exposure, data tampering, service disruption.
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

2020-10-14 22:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 03:26 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: 6.4 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2020-10-14 22:15 UTC
Last modified: 2026-06-17 03:26 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-367
Record status: Modified

Affected

Lenovo Bladecenter hs23 Firmware < tke170b
Lenovo Bladecenter hs23e Firmware < ahe172b
Lenovo Compute node-x440 Firmware < cge128a
Lenovo Flex System x220 Firmware < kse170b
Lenovo Flex System x240 Firmware < b2e172b
Lenovo Flex System x440 Firmware < cne172b
Lenovo Nextscale nx360 m4 Firmware < fhe132b
Lenovo System x3300 m4 Firmware < yae166b

Attack profile CVSS 3.1 · 6.4

Attack vector: Local
Complexity: High
Privileges needed: High
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H

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-2020-8332.md and follow it. Check whether this project is affected by CVE-2020-8332. 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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Fix and advisories

References

NVD record · CVE.org record