CVE-2020-8322

Home/CVE/A potential vulnerability in the SMI callback function used in the Legacy USB driver in some Lenovo Notebook and ThinkSt

CVE

A potential vulnerability in the SMI callback function used in the Legacy USB driver in some Lenovo Notebook and ThinkSt

A potential vulnerability in the SMI callback function used in the Legacy USB driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.

MEDIUM · CVSS 6.4 EPSS 0.0005

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No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

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Affected Products & Versions

lenovo 330-14ast firmwareall versions
lenovo 330-15ast firmwareall versions
lenovo 330-17ast firmwareall versions
lenovo 340c-15api firmwareall versions
lenovo 340c-15ast firmwareall versions
lenovo 720s touch-15ikb firmwareall versions
lenovo 720s-15ikb firmwareall versions
lenovo 730s-13iwl firmwareall versions
Show all 51 affected productslenovo c640-iml firmwareall versions
lenovo e42-80 firmwareall versions
lenovo e52-80 firmwareall versions
lenovo k22-80 firmwareall versions
lenovo v720-12 firmwareall versions
lenovo k32-80 kbl firmwareall versions
lenovo k32-80 skl firmwareall versions
lenovo miix 720-12ikb firmwareall versions
lenovo s145-14api firmwareall versions
lenovo s145-14ast firmwareall versions
lenovo s145-15api firmwareall versions
lenovo s145-15ast firmwareall versions
lenovo s540-13api firmwareall versions
lenovo s750-iil firmwareall versions
lenovo s940-14iwl firmwareall versions
lenovo thinkbook 13s-iwl firmwareall versions
lenovo thinkbook 14s-iwl firmwareall versions
lenovo v110-14ast firmwareall versions
lenovo v110-14ikb firmwareall versions
lenovo v110-15ast firmwareall versions
lenovo v130-15igm firmwareall versions
lenovo v130-15ikb firmwareall versions
lenovo v310-15igm firmwareall versions
lenovo v330-15igm firmwareall versions
lenovo v330-15ikb firmwareall versions
lenovo v330-15isk firmwareall versions
lenovo v340-iil firmwareall versions
lenovo v340-iml firmwareall versions
lenovo v540s-13 firmwareall versions
lenovo 14iwl firmwareall versions
lenovo v730-13ikb firmwareall versions
lenovo v730-13isk firmwareall versions
lenovo v730-15ikb firmwareall versions
lenovo wei5-15ikb firmwareall versions
lenovo xiaoxin 14-ast qc 2019 firmwareall versions
lenovo xx-14api qc 2019 firmwareall versions
lenovo yoga s730-13iwl firmwareall versions
lenovo yoga s940-14iwl firmwareall versions
lenovo 6 pro-13-iwl firmwareall versions
lenovo 6 pro-14-iwl firmwareall versions
lenovo e53-80 firmwareall versions
lenovo k3 firmwareall versions
lenovo k4-iwl firmwareall versions

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Scoring & Timeline

6.4

MEDIUM · CVSS v3.1 · psirt@lenovo.com

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Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD09 Jun 2020 · 08:15 PM

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

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://support.lenovo.com/us/en/product_security/LEN-30042Vendor Advisory

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