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CVE-2023-20578

Published: Aug 13, 2024Updated: Mar 18, 2025 Sources: CVE List NVD BDUCWE-367
NVD MITRE
7.5CVSSHIGH
EPSS Score
0.1%
Top 98.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow an attacker with ring0 privileges and access to the BIOS menu or UEFI shell to modify the communications buffer potentially resulting in arbitrary code execution.

CVSS Vector Breakdown

AV:LAC:HPR:HUI:NS:CC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:HAttack Complexity
High
PR:HPrivileges Required
High
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-367

Affected Products

AMD EPYC™ 7001 ProcessorsAMDHardware Firmware
AMD EPYC™ 7002 ProcessorsAMDHardware Firmware
AMD EPYC™ 7003 ProcessorsAMDHardware Firmware
AMD EPYC™ 9004 ProcessorsAMDHardware Firmware
AMD Ryzen™ 7000 Series Desktop ProcessorsAMDHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 121 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

1 technique
Privilege Escalation
View detailed technique mapping

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html
amd.com
https://redos.red-soft.ru/support/secure/uyazvimosti/mnozhestvennye-uyazvimosti-linux-firmware-13082025/?sphrase_id=1203948
redos.red-soft.ru

Timeline

Published
Aug 13, 2024
Last Updated
Mar 18, 2025

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