CVE-2021-3969

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Published May 18, 2022 CVSS 3.1 · 7.8 High EPSS 1.9% KEV · Not listed

Description

A Time of Check Time of Use (TOCTOU) vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation, prior to version 1.1.20.3that could allow a local attacker to elevate privileges.

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

IMController

affected

Version	Status	Constraints
`unspecified`	affected	< 1.1.20.3

Configuration 1 [-]

cpe:2.3:a:lenovo:system_interface_foundation:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

Update the IMController component of Lenovo System Interface Foundation to version 1.1.20.3. Full mitigation guidance can be found in LEN-75210.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-27174	A Time of Check Time of Use (TOCTOU) vulnerability was reported in IMController, a software component of Lenovo System Interface Foundation, prior to version 1.1.20.3that could allow a local attacker to elevate privileges.

Metrics

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 1.9% (1.925% 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-75210

History

No history.

Subscriptions

Lenovo System Interface Foundation

Weaknesses

CWE-367

Sources

CVE record Updated: Aug 3, 2024, 5:09 PM

Status: PUBLISHED
Assigner: lenovo
Published: May 18, 2022, 4:10 PM
Updated: Aug 3, 2024, 5:09 PM
Reserved: Nov 17, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 4:06 AM

Status: Modified
Published: May 18, 2022, 4:15 PM
Modified: Jun 17, 2026, 4:06 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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