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CVE-2020-8321

MEDIUMCVSS 6.7/10EPSS 0.33%

Last modified

CVE-2020-8321 is a medium-severity vulnerability rated 6.7/10 on the CVSS scale. A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

A potential vulnerability in the SMI callback function used in the System Lock Preinstallation 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
0.33%

24.8th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersions
Lenovo130-14ast FirmwareAll versions
Lenovo130-14ikb FirmwareAll versions
Lenovo130-15ast FirmwareAll versions
Lenovo130-15ikb FirmwareAll versions
Lenovo320c-15ikb FirmwareAll versions
Lenovo330-14igm FirmwareAll versions
Lenovo330-14ikb FirmwareAll versions
Lenovo330-14ikbr FirmwareAll versions
Lenovo330-15arr FirmwareAll versions
Lenovo330-15arr Touch FirmwareAll versions
Lenovo330-15ich FirmwareAll versions
Lenovo330-15igm FirmwareAll versions
Lenovo330-15ikb FirmwareAll versions
Lenovo330-15ikbr FirmwareAll versions
Lenovo330-15ikbr Touch FirmwareAll versions
Lenovo330-17ich FirmwareAll versions
Lenovo330-17ikb FirmwareAll versions
Lenovo330-17ikbr FirmwareAll versions
Lenovo330c-14ikb FirmwareAll versions
Lenovo330c-15ikb FirmwareAll versions
Lenovo330c-15ikbr FirmwareAll versions
Lenovo340c-15igm FirmwareAll versions
Lenovo340c-15ikb FirmwareAll versions
Lenovo340c-15iwl FirmwareAll versions
Lenovo530s-14iwl FirmwareAll versions
Lenovo530s-15iwl FirmwareAll versions
Lenovo530s-14arr FirmwareAll versions
Lenovo530s-14ikb FirmwareAll versions
Lenovo530s-15ikb FirmwareAll versions
Lenovo720s-13arr FirmwareAll versions
Lenovo720s-14ikbr FirmwareAll versions
LenovoC340-14api FirmwareAll versions
LenovoC340-14iml FirmwareAll versions
LenovoC340-14iwl FirmwareAll versions
LenovoC340-15iil FirmwareAll versions
LenovoC340-15iml FirmwareAll versions
LenovoC340-15iwl FirmwareAll versions
LenovoD330-10igm FirmwareAll versions
LenovoD335-10igm FirmwareAll versions
LenovoE4-14arr FirmwareAll versions
LenovoFlex 6-14arr FirmwareAll versions
LenovoFlex 6-14ikb FirmwareAll versions
LenovoFlex-14iwl FirmwareAll versions
LenovoFlex-15iwl FirmwareAll versions
LenovoIdeapad 3 14 FirmwareAll versions
LenovoIdeapad 3 15 FirmwareAll versions
LenovoIdeapad 3 17iml05 FirmwareAll versions
LenovoIdeapad 3 15iil05 FirmwareAll versions
LenovoIdeapad 3 14iil05 FirmwareAll versions
LenovoIdeapad 5 15iil05 FirmwareAll versions

Showing 50 of 172 affected configurations. See NVD for the full list.

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-8321?
A potential vulnerability in the SMI callback function used in the System Lock Preinstallation driver in some Lenovo Notebook and ThinkStation models may allow arbitrary code execution.
How severe is CVE-2020-8321?
CVE-2020-8321 has a CVSS score of 6.7/10 (MEDIUM severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8321?
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