CVE-2023-31343
AMD Ryzen SMM Code Execution Vulnerability
Description
Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution.
INFO
Published Date :
Feb. 11, 2025, 11:15 p.m.
Last Modified :
June 17, 2026, 5:56 a.m.
Remotely Exploit :
No
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update system firmware.
- Apply vendor-provided patches.
- Validate firmware integrity.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2023-31343.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2023-31343 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2023-31343
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2023-31343 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2023-31343 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
Jun. 17, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'AMD', 'product': 'AMD EPYC™ 7003 Processors', 'versions': [{'status': 'unaffected', 'version': 'MilanPI 1.0.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ 9004 Processors', 'versions': [{'status': 'unaffected', 'version': 'GenoaPI 1.0.0.B'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Instinct™ MI300A', 'versions': [{'status': 'unaffected', 'version': 'MI300API 1.0.0.5'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2PI 1.2.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2PI 1.2.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Desktop Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2PI 1.2.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7000 Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ComboAM5 1.1.0.2'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Athlon™ 3000 Series Desktop Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2PI 1.2.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Desktop Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM4v2PI 1.2.0.C'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 8000 Series Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': 'ComboAM5 1.1.0.2'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Threadripper™ PRO 5000WX- Series Desktop Processors', 'versions': [{'status': 'unaffected', 'version': 'ChagallWSPI-sWRX8 1.0.0.7'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Athlon™ 3000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"Pollock-FT5 1.0.0.7"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 3000 Series Mobile Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"Picasso-FP5 1.0.1.1"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 4000 Series Mobile Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"RenoirPI-FP6 1.0.0.D"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 5000 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"Cezanne-FP6 1.0.1.0"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7020 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"MendocinoPI-FT6 1.0.0.6"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 6000 Series Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"Rembrandt-FP7 1.0.0.A"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7035 Series Processor with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"Rembrandt-FP7 1.0.0.A"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7040 Series Processors with Radeon™ Graphics', 'versions': [{'status': 'unaffected', 'version': '"PhoenixPI-FP8-FP7 1.1.0.2"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ 7000 Series Mobile Processors', 'versions': [{'status': 'unaffected', 'version': '"DragonRangeFL1PI 1.0.0.3C"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 7003', 'versions': [{'status': 'unaffected', 'version': '"EmbMilanPI-SP3 1.0.0.8"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD EPYC™ Embedded 9004', 'versions': [{'status': 'unaffected', 'version': 'EmbGenoaPI-SP5 1.0.0.6'}], 'defaultStatus': 'unaffected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded R1000', 'versions': [{'status': 'unaffected', 'version': '"EmbeddedPI-FP5 1.2.0.C"'}], 'defaultStatus': 'unaffected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded R2000', 'versions': [{'status': 'affected', 'version': '"EmbeddedR2KPI-FP5 1.0.0.3"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded 5000', 'versions': [{'status': 'unaffected', 'version': '"EmbAM4PI 1.0.0.5"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded 7000', 'versions': [{'status': 'unaffected', 'version': 'EmbeddedAM5PI 1.0.0.1'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V2000', 'versions': [{'status': 'unaffected', 'version': '"EmbeddedPI-FP6 1.0.0.9"'}], 'defaultStatus': 'affected'}, {'vendor': 'AMD', 'product': 'AMD Ryzen™ Embedded V3000', 'versions': [{'status': 'unaffected', 'version': '"Embedded-PI FP7r2 1.0.0.9"'}], 'defaultStatus': 'affected'}] -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jun. 17, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2023-31343', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'no'}, {'technicalImpact': 'total'}], 'version': '2.0.3', 'timestamp': '2025-02-12T15:34:57.941103Z'} -
CVE Modified by [email protected]
Sep. 23, 2025
Action Type Old Value New Value Added CWE CWE-1220 Removed CWE CWE-20 -
New CVE Received by [email protected]
Feb. 11, 2025
Action Type Old Value New Value Added Description Improper input validation in the SMM handler may allow a privileged attacker to overwrite SMRAM, potentially leading to arbitrary code execution. Added CVSS V3.1 AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H Added CWE CWE-20 Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3009.html Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-4008.html Added Reference https://www.amd.com/en/resources/product-security/bulletin/amd-sb-5004.html