Back to Database
Status published
Unknown
CVE-2023-20563
Insufficient protections in System Management Mode (SMM) code may allow...
Vulnerability Description
Insufficient protections in System Management Mode (SMM) code may allow an attacker to potentially enable escalation of privilege via local access.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-20563
Credits & Attribution
No credits recorded in the NVD database.
References
More from AMD
View All →CVE-2025-66664
Insufficient parameter sanitization in AMD Secure Processor (ASP) TEE SOC...
Medium
4.6
CVE-2025-66660
Insufficient parameter sanitization in TEE SOC Driver could allow an...
Low
1.8
CVE-2025-62628
Unsafe OpenSSL initialization within some AMD optional tools may allow...
High
7
CVE-2025-62627
An untrusted pointer dereference in the ionic cloud driver for...
High
7.2
CVE-2025-62626
Improper handling of insufficient entropy in the AMD CPUs could...
High
7.2
Affected Vendor
Affected Software
Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics “Cezanne”, Ryzen™ 7000 Series Desktop Processors “Raphael” XD3, Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne”, AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt", AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R”, AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics “Barcelo”, AMD Ryzen™ 7030 Series Mobile Processors with Radeon™ Graphics “Barcelo-R”, Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics “Phoenix” FP7/FP7r2/FP8, AMD Ryzen™ Embedded R1000, AMD Ryzen™ Embedded R2000, AMD Ryzen™ Embedded 5000, AMD Ryzen™ Embedded V3000
Vulnerable Versions:
various
Timeline
Official Publish:
November 14th, 2023
Last Modified:
October 22nd, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
No vector data available
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.