CVE-2025-4421 - Vulnerability Details - OpenCVE

The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability. https://support.lenovo.com/us/en/product_security/home

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploitation none

Automatable no

Technical Impact total

Vendors	Products
Insyde	Insydeh2o

No data.

No data.

References

Link	Providers
https://support.lenovo.com/us/en/product_security/home
https://www.insyde.com/security-pledge/sa-2025007/

History

Thu, 31 Jul 2025 21:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Insyde Insyde insydeh2o
Vendors & Products		Insyde Insyde insydeh2o

Wed, 30 Jul 2025 16:15:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Wed, 30 Jul 2025 00:45:00 +0000

Type	Values Removed	Values Added
Description		The vulnerability was identified in the code developed specifically for Lenovo. Please visit "Lenovo Product Security Advisories and Announcements" webpage for more information about the vulnerability. https://support.lenovo.com/us/en/product_security/home
Title		EfiSmiServices: gEfiSmmCpuProtocol, SMM memory corruption vulnerabilities in SMM module
Weaknesses		CWE-787
References		https://support.lenovo.com/us/en/product_security/home https://www.insyde.com/security-pledge/sa-2025007/
Metrics		cvssV3_1 `{'score': 8.2, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: Insyde

Published: 2025-07-30T00:39:28.366Z

Updated: 2025-08-14T05:57:27.258Z

Reserved: 2025-05-08T03:44:51.949Z

Link: CVE-2025-4421

Vulnrichment

Updated: 2025-07-30T13:23:14.580Z

NVD

Status : Awaiting Analysis

Published: 2025-07-30T01:15:24.860

Modified: 2025-07-31T18:42:37.870

Link: CVE-2025-4421

Redhat

No data.

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