{ "id": "CVE-2021-26409", "sourceIdentifier": "psirt@amd.com", "published": "2023-01-11T08:15:11.743", "lastModified": "2023-01-18T21:28:49.787", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Insufficient bounds checking in SEV-ES may allow an attacker to corrupt Reverse Map table (RMP) memory, potentially resulting in a loss of SNP (Secure Nested Paging) memory integrity." } ], "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:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-120" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:amd:milanpi_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "1.0.0.3", "matchCriteriaId": "D2C9E53C-FE78-4045-9965-1F6FD1CFDD20" } ] }, { "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" ] } ] }