{"containers": {"cna": {"affected": [{"product": "SEV/SEV-ES", "vendor": "AMD", "versions": [{"lessThan": "SEV-SNP", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "datePublic": "2021-05-11T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor."}], "problemTypes": [{"descriptions": [{"description": "Arbitrary Code Execution", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-05-13T11:06:17.000Z", "orgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "shortName": "AMD"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004"}], "source": {"advisory": "AMD-SB-1004", "discovery": "EXTERNAL"}, "title": "AMD Secure Encrypted Virtualization", "x_generator": {"engine": "Vulnogram 0.0.9"}, "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "psirt@amd.com", "DATE_PUBLIC": "2021-05-11T18:43:00.000Z", "ID": "CVE-2021-26311", "STATE": "PUBLIC", "TITLE": "AMD Secure Encrypted Virtualization"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "SEV/SEV-ES", "version": {"version_data": [{"version_affected": "<", "version_value": "SEV-SNP"}]}}]}, "vendor_name": "AMD"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor."}]}, "generator": {"engine": "Vulnogram 0.0.9"}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Arbitrary Code Execution"}]}]}, "references": {"reference_data": [{"name": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004", "refsource": "MISC", "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004"}]}, "source": {"advisory": "AMD-SB-1004", "discovery": "EXTERNAL"}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T20:19:20.364Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004"}]}]}, "cveMetadata": {"assignerOrgId": "b58fc414-a1e4-4f92-9d70-1add41838648", "assignerShortName": "AMD", "cveId": "CVE-2021-26311", "datePublished": "2021-05-13T11:06:17.662Z", "dateReserved": "2021-01-29T00:00:00.000Z", "dateUpdated": "2024-09-17T04:25:26.352Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "SEV/SEV-ES", "vendor": "AMD", "versions": [{"lessThan": "SEV-SNP", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "psirt@amd.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:amd:epyc_7232p:-:*:*:*:*:*:*:*", "matchCriteriaId": "16D55BEF-AFC8-45DC-9401-5DEF374E16C5", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7251:-:*:*:*:*:*:*:*", "matchCriteriaId": "565383C4-F690-4E3B-8A6A-B7D4ACCFAA05", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7252:-:*:*:*:*:*:*:*", "matchCriteriaId": "9B816918-6CCF-4010-AA16-7BF8A93AD7D1", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7261:-:*:*:*:*:*:*:*", "matchCriteriaId": "71ED05E6-8E69-41B9-9A36-CCE2D59A2603", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7262:-:*:*:*:*:*:*:*", "matchCriteriaId": "4FBBFDD3-A85D-43A3-AD67-D69E91C633B6", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7272:-:*:*:*:*:*:*:*", "matchCriteriaId": "8F187412-26C2-4D8C-9199-D7CCF49D6520", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7281:-:*:*:*:*:*:*:*", "matchCriteriaId": "805B4FEA-CFB2-429C-818B-9277B6D546C3", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7282:-:*:*:*:*:*:*:*", "matchCriteriaId": "26FC5683-F612-4586-8BA3-FB1F66D8868B", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_72f3:-:*:*:*:*:*:*:*", "matchCriteriaId": "7F98FF1A-3A2B-4CED-AEA2-9C4F2AC2D8C1", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7301:-:*:*:*:*:*:*:*", "matchCriteriaId": "F65FC5B9-0803-4D7F-8EF6-7B6681418596", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7302:-:*:*:*:*:*:*:*", "matchCriteriaId": "0F7CB05E-C4F4-481F-AFB0-9288EBE6DB62", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7302p:-:*:*:*:*:*:*:*", "matchCriteriaId": "8A2E0AC0-8BDE-49F8-B067-DB03037921DD", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7313:-:*:*:*:*:*:*:*", "matchCriteriaId": "B02B61B7-7DD3-4164-8D32-EB961E981BC9", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7313p:-:*:*:*:*:*:*:*", "matchCriteriaId": "9000686A-DC2B-4561-9C32-E90890EB2EBA", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7343:-:*:*:*:*:*:*:*", "matchCriteriaId": "71B9C24B-2C10-4826-A91B-E1C60665FBBE", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7351:-:*:*:*:*:*:*:*", "matchCriteriaId": "8A5FC951-9FAD-45B4-B7CF-D1A9482507F5", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7351p:-:*:*:*:*:*:*:*", "matchCriteriaId": "9BB78361-9AAD-44BD-8B30-65715FEA4C06", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7352:-:*:*:*:*:*:*:*", "matchCriteriaId": "A1540CCD-1ED8-4B4E-AD43-7DE2689D9A21", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7371:-:*:*:*:*:*:*:*", "matchCriteriaId": "FA7576CB-A818-47A1-9A0D-6B8FD105FF08", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_73f3:-:*:*:*:*:*:*:*", "matchCriteriaId": "678C5F58-8AE9-46FF-8F01-4CF394C87A2C", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7401:-:*:*:*:*:*:*:*", "matchCriteriaId": "C05F1EF0-3576-4D47-8704-36E9FAB1D432", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7401p:-:*:*:*:*:*:*:*", "matchCriteriaId": "A2E41A87-7A39-4BB2-88E4-16DF0D81BFD2", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7402:-:*:*:*:*:*:*:*", "matchCriteriaId": "430C9955-0090-4166-8E90-D81C2AA7DE0D", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7402p:-:*:*:*:*:*:*:*", "matchCriteriaId": "92EBDDBF-37C2-4D09-B744-F78169B2C1C3", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7413:-:*:*:*:*:*:*:*", "matchCriteriaId": "D1766FF1-77A9-4293-B826-F6A8FBD7AFBF", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7443:-:*:*:*:*:*:*:*", "matchCriteriaId": "4C474537-3006-41BA-8C3D-5C370E3ACECD", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7443p:-:*:*:*:*:*:*:*", "matchCriteriaId": "8E2B13CA-72F4-4CF6-9E12-62E6E9056A14", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7451:-:*:*:*:*:*:*:*", "matchCriteriaId": "51C8CF00-8FC8-4206-9028-6F104699DE76", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7452:-:*:*:*:*:*:*:*", "matchCriteriaId": "68ACF30E-62DD-4217-B7F0-4A0FFF47E8EF", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7453:-:*:*:*:*:*:*:*", "matchCriteriaId": "241E39FF-FE66-444C-A4C2-3D28C45341BE", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_74f3:-:*:*:*:*:*:*:*", "matchCriteriaId": "02D08121-DC57-47D7-8214-23A209F0AF08", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7501:-:*:*:*:*:*:*:*", "matchCriteriaId": "4E8BAB73-6F45-49AB-8F00-49A488006F3E", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7502:-:*:*:*:*:*:*:*", "matchCriteriaId": "49BBC687-5C3C-4843-A028-B8BE29D1E302", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7502p:-:*:*:*:*:*:*:*", "matchCriteriaId": "563708A3-7C51-4693-B02D-9A25A639FE42", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7513:-:*:*:*:*:*:*:*", "matchCriteriaId": "F8264DF4-47B4-4716-AE89-44AFA870D385", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7532:-:*:*:*:*:*:*:*", "matchCriteriaId": "1EDABE45-F529-453C-92DC-BF7747CEEC0E", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7542:-:*:*:*:*:*:*:*", "matchCriteriaId": "BC94B03B-A7FE-47AE-969D-FFEF278A7A9B", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7543:-:*:*:*:*:*:*:*", "matchCriteriaId": "52544912-FAA3-4025-A5FD-151B21CEC53B", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7543p:-:*:*:*:*:*:*:*", "matchCriteriaId": "77A0A47B-74A1-4731-92A8-BC10FFE58ECF", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7551:-:*:*:*:*:*:*:*", "matchCriteriaId": "1AAB403A-5A36-4DC3-A187-99127CF77BA7", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7551p:-:*:*:*:*:*:*:*", "matchCriteriaId": "01BE5D42-1C62-4381-89E0-8F3264F696EC", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7552:-:*:*:*:*:*:*:*", "matchCriteriaId": "7A6C7497-1B63-490F-B8EA-D9F3CB790952", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_75f3:-:*:*:*:*:*:*:*", "matchCriteriaId": "EBF0AFED-588A-4EFB-8C90-9280BC3A6720", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7601:-:*:*:*:*:*:*:*", "matchCriteriaId": "168076CD-1E6D-4328-AB59-4C1A90735AC4", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7642:-:*:*:*:*:*:*:*", "matchCriteriaId": "1EDF8A1E-B259-43D0-A56C-8C2BB688A32C", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7643:-:*:*:*:*:*:*:*", "matchCriteriaId": "98E1D79D-0CB0-4FD9-8A82-27CDFBFE07B2", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7662:-:*:*:*:*:*:*:*", "matchCriteriaId": "3E8C6528-9100-41D2-88A2-FFEABAB8F86A", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7663:-:*:*:*:*:*:*:*", "matchCriteriaId": "A7DFCB62-6CDF-4AD2-9265-1887E5780CA5", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7702:-:*:*:*:*:*:*:*", "matchCriteriaId": "8AC99346-DBF1-4060-8E6B-35D315944ADA", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7702p:-:*:*:*:*:*:*:*", "matchCriteriaId": "72C86198-0BD4-42E1-974B-70A49F82C411", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7713:-:*:*:*:*:*:*:*", "matchCriteriaId": "4D698D3E-BB05-4C65-90F4-8DAE275CD6A4", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7713p:-:*:*:*:*:*:*:*", "matchCriteriaId": "2299ED50-B4D2-4BB3-AD87-56D552B84AE1", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7742:-:*:*:*:*:*:*:*", "matchCriteriaId": "88F4A126-B4A6-480A-9DD7-7F68714DFB49", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7763:-:*:*:*:*:*:*:*", "matchCriteriaId": "4F900BDD-F094-41A6-9A23-31F53DBA95D4", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7f32:-:*:*:*:*:*:*:*", "matchCriteriaId": "E25652AB-E243-4C40-BE12-AB53AF52CD61", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7f52:-:*:*:*:*:*:*:*", "matchCriteriaId": "87543FB4-658A-4300-9DC9-836AC1D4BCFB", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7f72:-:*:*:*:*:*:*:*", "matchCriteriaId": "07B3C659-C31A-4F82-9587-9F8A943F637D", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_7h12:-:*:*:*:*:*:*:*", "matchCriteriaId": "89FAAD8C-6DD1-408D-849B-0CE707321B13", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3101:-:*:*:*:*:*:*:*", "matchCriteriaId": "839C6991-D387-471D-9112-C79677D5A5AB", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3151:-:*:*:*:*:*:*:*", "matchCriteriaId": "3480338B-290F-4E9C-88F9-A4160853B9BD", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3201:-:*:*:*:*:*:*:*", "matchCriteriaId": "6943C2EC-1555-40B8-9533-BBB6572E9073", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3251:-:*:*:*:*:*:*:*", "matchCriteriaId": "44A54822-42B0-47B4-A080-416D5C8AC20C", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3255:-:*:*:*:*:*:*:*", "matchCriteriaId": "2F8DDDB3-E4B0-4354-955F-E2196E404970", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3351:-:*:*:*:*:*:*:*", "matchCriteriaId": "4C3B6175-0366-473D-A82F-E3F1373C74F5", "vulnerable": true}, {"criteria": "cpe:2.3:h:amd:epyc_embedded_3451:-:*:*:*:*:*:*:*", "matchCriteriaId": "C38BB8F3-11AD-48C3-B751-AF93E3EA6138", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the AMD SEV/SEV-ES feature, memory can be rearranged in the guest address space that is not detected by the attestation mechanism which could be used by a malicious hypervisor to potentially lead to arbitrary code execution within the guest VM if a malicious administrator has access to compromise the server hypervisor."}, {"lang": "es", "value": "En la funcionalidad SEV/SEV-ES de AMD, la memoria puede ser reorganizada en el espacio de direcciones del invitado que no es detectado por el mecanismo de certificaci\u00f3n que podr\u00eda ser utilizado por un hypervisor malicioso para conllevar potencialmente a una ejecuci\u00f3n de c\u00f3digo arbitraria dentro de la VM invitada si un administrador malicioso tiene acceso para comprometer el hypervisor del servidor"}], "id": "CVE-2021-26311", "lastModified": "2026-06-17T03:43:05.487", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-13T12:15:07.597", "references": [{"source": "psirt@amd.com", "tags": ["Vendor Advisory"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1004"}], "sourceIdentifier": "psirt@amd.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-77"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}