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CVE-2023-20587

Published: Feb 13, 2024Updated: May 7, 2025 Sources: CVE List NVDCWE-284
NVD MITRE
7.1CVSSHIGH
EPSS Score
0.2%
Top 93.1%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Improper Access Control in System Management Mode (SMM) may allow an attacker access to the SPI flash potentially leading to arbitrary code execution.

CVSS Vector Breakdown

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

Weaknesses

CWE-284

Affected Products

3rd Gen AMD EPYC™ ProcessorsAMDHardware Firmware
4th Gen AMD EPYC™ ProcessorsAMDHardware Firmware
1st Gen AMD EPYC™ ProcessorsAMDHardware Firmware
2nd Gen AMD EPYC™ ProcessorsAMDHardware Firmware
AMD EPYC(TM) Embedded 3000 AMDHardware Firmware
amdcommercialUSHardware Firmwareaka advanced micro devices
and 3 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

References

https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-7009
amd.com

Timeline

Published
Feb 13, 2024
Last Updated
May 7, 2025

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