CVE-2024-36877

Published Aug 12, 2024 CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed

Description

Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.

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

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2024-36231	Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.

Metrics

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.

Exploit prediction score: < 1% (0.682% probability within 30 days)

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://csr.msi.com/global/product-security-advisories
https://jjensn.com/at-home-in-your-firmware/

History

Mar 13, 2025 8:15 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses		CWE-123

Oct 24, 2024 9:00 PM Weaknesses updated View changes

Type	Values Removed	Values Added
Weaknesses	CWE-123

Aug 15, 2024 4:15 PM Description updated View changes

Type	Values Removed	Values Added
Description	Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3.	Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3. Motherboard's with the following chipsets are affected: Intel 300, Intel 400, Intel 500, Intel 600, Intel 700, AMD 300, AMD 400, AMD 500, AMD 600 and AMD 700.

Aug 13, 2024 8:30 PM First appearance in the feed. Weaknesses updated. Affected versions updated. Affected vendors updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
First Time appeared		Msi Msi am4 Msi am5 Msi intel 300 Msi intel 400 Msi intel 500 Msi intel 600 Msi intel 700
Weaknesses		CWE-123
CPEs		cpe:2.3:o:msi:am4:::::::: cpe:2.3:o:msi:am5:::::::: cpe:2.3:o:msi:intel_300:::::::: cpe:2.3:o:msi:intel_400:::::::: cpe:2.3:o:msi:intel_500:::::::: cpe:2.3:o:msi:intel_600:::::::: cpe:2.3:o:msi:intel_700::::::::
Vendors & Products		Msi Msi am4 Msi am5 Msi intel 300 Msi intel 400 Msi intel 500 Msi intel 600 Msi intel 700
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'}` ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Aug 12, 2024 3:30 PM Description updated. Added references View changes

Type	Values Removed	Values Added
Description		Micro-Star International Z-series motherboards (Z590, Z490, and Z790) and B-series motherboards (B760, B560, B660, and B460) with firmware 7D25v14, 7D25v17 to 7D25v19, and 7D25v1A to 7D25v1H was discovered to contain a write-what-where condition in the in the SW handler for SMI 0xE3.
References		https://csr.msi.com/global/product-security-advisories https://jjensn.com/at-home-in-your-firmware/