{ "id": "CVE-2021-26423", "sourceIdentifier": "secure@microsoft.com", "published": "2021-08-12T18:15:08.537", "lastModified": "2021-08-19T16:56:49.380", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": ".NET Core and Visual Studio Denial of Service Vulnerability" }, { "lang": "es", "value": "Una Vulnerabilidad de Denegaci\u00f3n de Servicio en .NET Core y Visual Studio" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "NVD-CWE-noinfo" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.0", "versionEndIncluding": "5.0.8", "matchCriteriaId": "B85CD4C7-D84B-4C54-A604-FC852038A565" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.1", "versionEndIncluding": "2.1.28", "matchCriteriaId": "FB624437-CB1B-46A2-BF75-30035D99D2EF" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.1", "versionEndIncluding": "3.1.17", "matchCriteriaId": "6F344BDC-2929-4CEA-8414-E4D07C1F76F0" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0", "versionEndExcluding": "7.0.7", "matchCriteriaId": "BE4005F4-89BB-4597-9070-1137B4CEFC9B" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:powershell_core:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.1", "versionEndExcluding": "7.1.4", "matchCriteriaId": "40F33C0C-7AF0-4B48-828C-00534012D728" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*", "versionStartIncluding": "15.0", "versionEndIncluding": "15.9", "matchCriteriaId": "CE03B37D-72FE-4C25-BE62-9C422AEFC80E" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*", "versionStartIncluding": "16.0", "versionEndIncluding": "16.10", "matchCriteriaId": "26472C42-CDB4-4176-B10B-3BF26F5030E3" }, { "vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*", "matchCriteriaId": "BA547FFE-D557-4612-9840-EEE88ACF53AA" } ] } ] } ], "references": [ { "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26423", "source": "secure@microsoft.com", "tags": [ "Patch", "Vendor Advisory" ] } ] }