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CVE-2020-8322

MEDIUMCVSS 6.7/10EPSS 0.31%

Last modified

CVE-2020-8322 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. 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.. EPSS estimates a 0.31% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
6.7/10

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

EPSS Probability
0.31%

23.0th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Lenovo330-14ast FirmwareAll versions
Lenovo330-15ast FirmwareAll versions
Lenovo330-17ast FirmwareAll versions
Lenovo340c-15api FirmwareAll versions
Lenovo340c-15ast FirmwareAll versions
Lenovo720s Touch-15ikb FirmwareAll versions
Lenovo720s-15ikb FirmwareAll versions
Lenovo730s-13iwl FirmwareAll versions
LenovoC640-Iml FirmwareAll versions
LenovoE42-80 FirmwareAll versions
LenovoE52-80 FirmwareAll versions
LenovoK22-80 FirmwareAll versions
LenovoV720-12 FirmwareAll versions
LenovoK32-80 Kbl FirmwareAll versions
LenovoK32-80 Skl FirmwareAll versions
LenovoMiix 720-12ikb FirmwareAll versions
LenovoS145-14api FirmwareAll versions
LenovoS145-14ast FirmwareAll versions
LenovoS145-15api FirmwareAll versions
LenovoS145-15ast FirmwareAll versions
LenovoS540-13api FirmwareAll versions
LenovoS750-Iil FirmwareAll versions
LenovoS940-14iwl FirmwareAll versions
LenovoThinkbook 13s-Iwl FirmwareAll versions
LenovoThinkbook 14s-Iwl FirmwareAll versions
LenovoV110-14ast FirmwareAll versions
LenovoV110-14ikb FirmwareAll versions
LenovoV110-15ast FirmwareAll versions
LenovoV130-15igm FirmwareAll versions
LenovoV130-15ikb FirmwareAll versions
LenovoV310-15igm FirmwareAll versions
LenovoV330-15igm FirmwareAll versions
LenovoV330-15ikb FirmwareAll versions
LenovoV330-15isk FirmwareAll versions
LenovoV340-Iil FirmwareAll versions
LenovoV340-Iml FirmwareAll versions
LenovoV540s-13 FirmwareAll versions
Lenovo14iwl FirmwareAll versions
LenovoV730-13ikb FirmwareAll versions
LenovoV730-13isk FirmwareAll versions
LenovoV730-15ikb FirmwareAll versions
LenovoWei5-15ikb FirmwareAll versions
LenovoXiaoxin 14-Ast Qc 2019 FirmwareAll versions
LenovoXx-14api Qc 2019 FirmwareAll versions
LenovoYoga S730-13iwl FirmwareAll versions
LenovoYoga S940-14iwl FirmwareAll versions
Lenovo6 Pro-13-Iwl FirmwareAll versions
Lenovo6 Pro-14-Iwl FirmwareAll versions
LenovoE53-80 FirmwareAll versions
LenovoK3 FirmwareAll versions

Showing 50 of 51 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8322?
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.
How severe is CVE-2020-8322?
CVE-2020-8322 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.31% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8322?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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Source: NVD / NIST