{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-31355","assignerOrgId":"b58fc414-a1e4-4f92-9d70-1add41838648","state":"PUBLISHED","assignerShortName":"AMD","dateReserved":"2023-04-27T15:25:41.428Z","datePublished":"2024-08-05T16:04:24.813Z","dateUpdated":"2024-08-06T14:58:40.899Z"},"containers":{"cna":{"affected":[{"defaultStatus":"affected","product":"3rd Gen AMD EPYC™ Processors","vendor":"AMD","versions":[{"lessThan":"MilanPI 1.0.0.D","status":"affected","version":"various","versionType":"Platform Initialization"}]},{"defaultStatus":"affected","product":"4th Gen AMD EPYC™ Processors","vendor":"AMD","versions":[{"lessThan":"GenoaPI 1.0.0.C","status":"affected","version":"various","versionType":"Platform Initialization"}]},{"defaultStatus":"affected","product":"AMD EPYC™ Embedded 7003","vendor":"AMD","versions":[{"lessThan":"EmbMilanPI-SP3 1.0.0.9","status":"affected","version":"various","versionType":"Platform Initialization"}]},{"defaultStatus":"affected","product":"AMD EPYC™ Embedded 9003","vendor":"AMD","versions":[{"lessThan":"EmbGenoaPI-SP5 1.0.0.7","status":"affected","version":"various","versionType":"Platform Initialization"}]}],"datePublic":"2024-08-05T16:00:00.000Z","descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">\n\n<span style=\"background-color: rgb(255, 255, 255);\">Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest.</span>\n\n</span>\n\n</span>\n\n</span>"}],"value":"Improper restriction of write operations in SNP firmware could allow a malicious hypervisor to overwrite a guest's UMC seed potentially allowing reading of memory from a decommissioned guest."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"NONE","baseScore":6,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N","version":"3.1"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-119","description":"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer","lang":"en","type":"CWE"}]}],"providerMetadata":{"orgId":"b58fc414-a1e4-4f92-9d70-1add41838648","shortName":"AMD","dateUpdated":"2024-08-05T16:04:24.813Z"},"references":[{"tags":["vendor-advisory"],"url":"https://https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3011.html"}],"source":{"advisory":"AMD-SB-4002, AMD-SB-3002, AMD-SB-5001","discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 0.1.0-dev"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-06T14:07:12.426239Z","id":"CVE-2023-31355","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-08-06T14:58:40.899Z"}}]}}