CVE-2020-8354

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Published Nov 11, 2020 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed

Description

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

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Lenovo

BIOS

affected

Version	Status	Constraints
`unspecified`	affected	< various

Configuration 1 [-]

AND

cpe:2.3:o:lenovo:notebook_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:lenovo:notebook:-:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update system firmware to the version (or newer) indicated for your model in the Product Impact section of LEN-49266.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2020-29221	A potential vulnerability in the SMI callback function used in the VariableServiceSmm driver in some Lenovo Notebook models may allow arbitrary code execution.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity High

Privileges Required High

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.256% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.lenovo.com/us/en/product_security/LEN-49266

History

No history.

Subscriptions

Lenovo Notebook Notebook Firmware

Weaknesses

Sources

CVE record Updated: Aug 4, 2024, 9:56 AM

Status: PUBLISHED
Assigner: lenovo
Published: Nov 11, 2020, 5:35 PM
Updated: Aug 4, 2024, 9:56 AM
Reserved: Jan 28, 2020, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:26 AM

Status: Modified
Published: Nov 11, 2020, 6:15 PM
Modified: Jun 17, 2026, 3:26 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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