CVE-2023-31343 - Vulnerability Details - OpenCVE

Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.

No CVSS v4.0

Attack Vector Local

Attack Complexity High

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.

The EPSS score is 0.00032.

Exploitation none

Automatable no

Technical Impact total

No data.

No data.

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html

History

Tue, 23 Sep 2025 22:30:00 +0000

Type	Values Removed	Values Added
Weaknesses	CWE-20

Tue, 23 Sep 2025 21:45:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-1220

Fri, 11 Jul 2025 13:45:00 +0000

Type	Values Removed	Values Added
Metrics	epss `{'score': 0.00021}`	epss `{'score': 0.00024}`

Wed, 12 Feb 2025 16:15:00 +0000

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

Tue, 11 Feb 2025 22:45:00 +0000

Type	Values Removed	Values Added
Description		Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.
Weaknesses		CWE-20
References		https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html
Metrics		cvssV3_1 `{'score': 7.5, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H'}`

MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2025-02-11T22:35:04.110Z

Updated: 2025-09-23T21:39:19.127Z

Reserved: 2023-04-27T15:25:41.426Z

Link: CVE-2023-31343

Vulnrichment

Updated: 2025-02-12T15:34:53.607Z

NVD

Status : Awaiting Analysis

Published: 2025-02-11T23:15:08.407

Modified: 2025-09-23T22:15:32.707

Link: CVE-2023-31343

Redhat

No data.

OpenCVE Enrichment

No data.

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