{ "dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": { "cveId": "CVE-2021-46795", "assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "state": "PUBLISHED", "assignerShortName": "AMD", "dateReserved": "2022-05-04T18:14:06.438Z", "datePublished": "2023-01-10T20:53:25.868Z", "dateUpdated": "2025-04-09T15:13:26.855Z" }, "containers": { "cna": { "affected": [ { "defaultStatus": "affected", "packageName": "AGESA", "platforms": [ "x86" ], "product": "Ryzen 5000 Series", "vendor": " AMD", "versions": [ { "status": "affected", "version": "various " } ] }, { "defaultStatus": "unaffected", "packageName": "AGESA", "platforms": [ "x86" ], "product": "Ryzen 3000 Series ", "vendor": " AMD", "versions": [ { "status": "affected", "version": "various " } ] } ], "datePublic": "2023-01-10T17:30:00.000Z", "descriptions": [ { "lang": "en", "supportingMedia": [ { "base64": false, "type": "text/html", "value": "A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service." } ], "value": "A TOCTOU (time-of-check to time-of-use) vulnerability exists where an attacker may use a compromised BIOS to cause the TEE OS to read memory out of bounds that could potentially result in a denial of service." } ], "providerMetadata": { "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD", "dateUpdated": "2023-01-11T07:01:59.843Z" }, "references": [ { "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031" } ], "source": { "advisory": "AMD-SB-1031", "discovery": "UNKNOWN" }, "x_generator": { "engine": "Vulnogram 0.1.0-dev" }, "problemTypes": [ { "descriptions": [ { "description": "n/a", "lang": "en", "type": "text" } ] } ] }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T05:17:42.312Z" }, "title": "CVE Program Container", "references": [ { "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1031", "tags": [ "x_transferred" ] } ] }, { "problemTypes": [ { "descriptions": [ { "type": "CWE", "cweId": "CWE-367", "lang": "en", "description": "CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition" } ] } ], "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 4.7, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2025-04-09T15:13:22.667024Z", "id": "CVE-2021-46795", "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": "2025-04-09T15:13:26.855Z" } } ] } }