{ "id": "CVE-2021-46768", "sourceIdentifier": "psirt@amd.com", "published": "2023-01-11T08:15:13.163", "lastModified": "2023-01-18T21:01:27.120", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Insufficient input validation in SEV firmware may allow an attacker to perform out-of-bounds memory reads within the ASP boot loader, potentially leading to a denial of service." } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 1.8, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-20" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:amd:romepi_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.0.0.d", "matchCriteriaId": "88ECFD2A-170F-46B8-9013-4605ED25626F" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:amd:romepi:-:*:*:*:*:*:*:*", "matchCriteriaId": "B936879F-731E-4991-ACBB-16643F629B41" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.0.0.5", "matchCriteriaId": "46D6FD1B-4833-425D-A39E-2FC0A769C036" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:amd:milanpi:-:*:*:*:*:*:*:*", "matchCriteriaId": "1F64A4AA-A66B-4B2E-B8F1-F332E3945903" } ] } ] } ], "references": [ { "url": "https://www.amd.com/en/corporate/product-security/bulletin/AMD-SB-1032", "source": "psirt@amd.com", "tags": [ "Vendor Advisory" ] } ] }