Vulnerability Intelligence Report
CVE-2023-20596
Improper input validation in the SMM Supervisor may allow an attacker with a compromised SMI handler to gain Ring0 access potentially leading to arbitrary code execution.
No Active Exploit Signals
CVSS Base Score
9.8
CRITICAL
EPSS Probability:0.96%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| AMD | Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics Formerly codenamed “Cezanne” AM4 | various (affected) |
| AMD | Ryzen™ 7000 Series Desktop Processors with Radeon™ Graphics Formerly codenamed “Raphael” | various (affected) |
| AMD | Ryzen™ 7000 Series Desktop Processors with Radeon™ Graphics Formerly codenamed “Raphael” X3D | various (affected) |
| AMD | Ryzen™ 5000 Series Mobile Processors with Radeon™ Graphics “Cezanne” | various (affected) |
| AMD | AMD Ryzen™ 6000 Series Processors with Radeon™ Graphics "Rembrandt" | various (affected) |
| AMD | AMD Ryzen™ 7035 Series Processors with Radeon™ Graphics “Rembrandt-R” | various (affected) |
| AMD | Ryzen™ 7040 Series Mobile Processors with Radeon™ Graphics Formerly codenamed “Phoenix” | various (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.964%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Advanced Micro Devices Inc. · Vendor · USA |
| Reserved | 2022-10-27T18:53:39 |
| Published | 2023-11-14T18:55:14 |
| Patch Date | 2023-11-14 |
| Last Updated | 2024-08-02T09:05:36 |
Community Chatter & Buzz