{ "data_version": "4.0", "data_type": "CVE", "data_format": "MITRE", "CVE_data_meta": { "ID": "CVE-2023-20578", "ASSIGNER": "psirt@amd.com", "STATE": "PUBLIC" }, "description": { "description_data": [ { "lang": "eng", "value": "A TOCTOU (Time-Of-Check-Time-Of-Use) in SMM may allow\nan attacker with ring0 privileges and access to the\nBIOS menu or UEFI shell to modify the communications buffer\u00a0potentially\nresulting in arbitrary code execution." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "n/a" } ] } ] }, "affects": { "vendor": { "vendor_data": [ { "vendor_name": "AMD", "product": { "product_data": [ { "product_name": "AMD EPYC\u2122 7001 Processors", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "NaplesPI 1.0.0.K", "versionType": "PI" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 7002 Processors", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "RomePI 1.0.0.G" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 7003 Processors", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "MilanPI 1.0.0.B" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 9004 Processors", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "GenoaPI 1.0.0.2" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD Ryzen\u2122 7000 Series Desktop Processors", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "ComboAM5 1.0.0.1" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD Ryzen\u2122 Threadripper\u2122 PRO 5000WX Processors", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "ChagallWSPI-sWRX8 1.0.0.7" } ], "defaultStatus": "unaffected" } } ] } }, { "product_name": "AMD Ryzen\u2122 7020 Series Processors with Radeon\u2122 Graphics", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "MendocinoPI-FT6 1.0.0.0" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD Ryzen\u2122 6000 Series Processors with Radeon\u2122 Graphics", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "RembrandtPI-FP7 1.0.0.9b" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD Ryzen\u2122 7035 Series Processors with Radeon\u2122 Graphics", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "RembrandtPI-FP7 1.0.0.9b" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 Embedded 3000", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "SnowyOwl PI 1.1.0.A" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 Embedded 7002", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "EmbRomePI-SP3 1.0.0.A" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 Embedded 7003", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "EmbMilanPI-SP3 1.0.0.7" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD EPYC\u2122 Embedded 9003", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "EmbGenoaPI-SP5 1.0.0.0" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD Ryzen\u2122 Embedded 7000", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "EmbeddedAM5PI 1.0.0.0" } ], "defaultStatus": "affected" } } ] } }, { "product_name": "AMD RyzenTM Embedded V3000", "version": { "version_data": [ { "version_value": "not down converted", "x_cve_json_5_version_data": { "versions": [ { "status": "unaffected", "version": "EmbeddedPI-FP7r2 1.0.0.8" } ], "defaultStatus": "affected" } } ] } } ] } } ] } }, "references": { "reference_data": [ { "url": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html", "refsource": "MISC", "name": "https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3003.html" } ] }, "generator": { "engine": "Vulnogram 0.1.0-dev" }, "source": { "advisory": "AMD-SB-4002, AMD-SB-3002, AMD-SB-5001", "discovery": "UNKNOWN" }, "impact": { "cvss": [ { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } ] } }