CVE-2023-20587

Description

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

Category

7.1
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.03%
Vendor Advisory amd.com
Affected: AMD 3rd Gen AMD EPYC™ Processors
Affected: AMD 4th Gen AMD EPYC™ Processors
Affected: AMD 1st Gen AMD EPYC™ Processors
Affected: AMD 2nd Gen AMD EPYC™ Processors
Affected: AMD AMD EPYC(TM) Embedded 3000
Affected: AMD AMD EPYC(TM) Embedded 7002
Affected: AMD AMD EPYC(TM) Embedded 7003
Affected: AMD AMD EPYC(TM) Embedded 9003
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2023-20587?
CVE-2023-20587 has been scored as a high severity vulnerability.
How to fix CVE-2023-20587?
To fix CVE-2023-20587, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-20587 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-20587 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-20587?
CVE-2023-20587 affects AMD 3rd Gen AMD EPYC™ Processors, AMD 4th Gen AMD EPYC™ Processors, AMD 1st Gen AMD EPYC™ Processors, AMD 2nd Gen AMD EPYC™ Processors, AMD AMD EPYC(TM) Embedded 3000 , AMD AMD EPYC(TM) Embedded 7002 , AMD AMD EPYC(TM) Embedded 7003, AMD AMD EPYC(TM) Embedded 9003.
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