CVE-2023-20563

Description

Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.

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-5001	vendor advisory

What is the severity of CVE-2023-20563?: CVE-2023-20563 has been scored as a high severity vulnerability.
How to fix CVE-2023-20563?: To fix CVE-2023-20563, 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-2023-20563 being actively exploited in the wild?: As for now, there are no information to confirm that CVE-2023-20563 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-2023-20563?: CVE-2023-20563 affects AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”, AMD Ryzen™ 7000 Series Desktop Processors “Raphael” XD3, AMD Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”, AMD AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt", AMD AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”, AMD AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”, AMD AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”, AMD Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8, AMD AMD Ryzen™ Embedded R1000, AMD AMD Ryzen™ Embedded R2000, AMD AMD Ryzen™ Embedded 5000, AMD AMD Ryzen™ Embedded V3000.