CVE-2023-20526

Description

Insufficient input validation in the ASP Bootloader may enable a privileged attacker with physical access to expose the contents of ASP memory potentially leading to a loss of confidentiality.

1.9

CVSS

Severity: Low

CVSS 3.1 •

EPSS 0.04%

Vendor Advisory amd.com Vendor Advisory amd.com Vendor Advisory amd.com

Affected: AMD AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”

Affected: AMD 1st Gen AMD EPYC™ Processors

Affected: AMD 2nd Gen AMD EPYC™ Processors

Affected: AMD 3rd Gen AMD EPYC™ Processors

Affected: AMD AMD EPYC™ Embedded 3000

Affected: AMD AMD EPYC™ Embedded 7002

Affected: AMD AMD EPYC™ Embedded 7003

References

Link	Tags
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-4002	vendor advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-3002	vendor advisory
https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-5001	vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-20526?: CVE-2023-20526 has been scored as a low severity vulnerability.
How to fix CVE-2023-20526?: To fix CVE-2023-20526, 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-2023-20526 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-20526 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-2023-20526?: CVE-2023-20526 affects AMD AMD Ryzen™ Threadripper™ 2000 Series Processors “Colfax”, AMD 1st Gen AMD EPYC™ Processors, AMD 2nd Gen AMD EPYC™ Processors, AMD 3rd Gen AMD EPYC™ Processors, AMD AMD EPYC™ Embedded 3000, AMD AMD EPYC™ Embedded 7002, AMD AMD EPYC™ Embedded 7003.

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