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CVE-2023-20558

Published: Mar 23, 2023Updated: Feb 20, 2025 Sources: CVE List NVD BDUNVD-CWE-Other
NVD MITRE
8.8CVSSHIGH
EPSS Score
0.7%
Top 53.0%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Insufficient control flow management in AmdCpmOemSmm may allow a privileged attacker to tamper with the SMM handler potentially leading to an escalation of privileges.

CVSS Vector Breakdown

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

Weaknesses

NVD-CWE-OtherCWE-670

Affected Products

Ryzen™ 2000 Series AMDHardware Firmware
Ryzen™ 3000 Series AMDHardware Firmware
Ryzen™ 4000 Series AMDHardware Firmware
Ryzen™ 5000 SeriesAMDHardware Firmware
2nd Gen AMD Ryzen™ Threadripper™ ProcessorAMDHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 94 more affected products View all →

Exploitability

Official Patch Available

References

https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1027.html
amd.com
https://www.amd.com/en/resources/product-security/bulletin/amd-sb-1027.html
amd.com
http://repo.red-soft.ru/redos/7.3c/x86_64/updates/
repo.red-soft.ru

Timeline

Published
Mar 23, 2023
Last Updated
Feb 20, 2025

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