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CVE-2023-20571

Published: Nov 14, 2023Updated: Nov 21, 2024 Sources: CVE List NVDCWE-362
NVD MITRE
8.1CVSSHIGH
EPSS Score
0.4%
Top 64.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A race condition in System Management Mode (SMM) code may allow an attacker using a compromised user space to leverage CVE-2018-8897 potentially resulting in privilege escalation.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-362

Affected Products

ryzen 3 5100 firmwareamdHardware Firmware
ryzen 3 5300g firmwareamdHardware Firmware
ryzen 3 5300ge firmwareamdHardware Firmware
ryzen 5 5500 firmwareamdHardware Firmware
ryzen 5 5600g firmwareamdHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 74 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/corporate/product-security/bulletin/AMD-SB-4002
amd.com

Timeline

Published
Nov 14, 2023
Last Updated
Nov 21, 2024

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