{"containers": {"cna": {"title": "ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability", "datePublic": "2021-12-14T08:00:00+00:00", "affected": [{"vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 \u2013 16.6)", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "16.0.0", "lessThan": "16.7.23", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "15.0.0", "lessThan": "16.9.15", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "16.11.0", "lessThan": "16.11.8", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.0", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "17.0.0", "lessThan": "17.0.3", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "ASP.NET Core 3.1", "cpes": ["cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "3.0", "lessThan": "3.1.22", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "ASP.NET Core 5.0", "cpes": ["cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "5.0", "lessThan": "5.0.13", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "ASP.NET Core 6.0", "cpes": ["cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "6.0", "lessThan": "6.0.101", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.1", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2022:17.1:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "17.0.0", "lessThan": "17.1.4", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Elevation of Privilege", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2024-05-29T14:44:33.540Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 8.8, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-04T04:10:17.113Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877"}]}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-43877", "datePublished": "2021-12-15T14:15:31", "dateReserved": "2021-11-16T00:00:00", "dateUpdated": "2024-08-04T04:10:17.113Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:*", "matchCriteriaId": "5FE4072E-3226-435C-BC61-A775D3EF2822", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:5.0:*:*:*:*:*:*:*", "matchCriteriaId": "A5C2DF1D-063A-432E-8E7A-39A9C7C9582D", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "E907B35E-144C-43AA-9902-3F19ACAE3D77", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.7:*:*:*:*:*:*:*", "matchCriteriaId": "E47AD481-C23D-4610-B9BC-844F7B8F7A28", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*", "matchCriteriaId": "DF6CF9B0-D279-42CD-A84D-48327F44422D", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:16.11:*:*:*:*:*:*:*", "matchCriteriaId": "99E7DAC9-17EF-40D4-AEEC-C24970B7190F", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:17.0:*:*:*:*:*:*:*", "matchCriteriaId": "3393F97F-05CD-4B04-A6E1-3D914652C4E5", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Elevaci\u00f3n de Privilegios en ASP.NET Core y Visual Studio"}], "id": "CVE-2021-43877", "lastModified": "2024-11-21T06:29:58.677", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 4.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.0, "impactScore": 6.0, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2021-12-15T15:15:10.950", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "dotnet: ASPNetCore processPath privilege escalation", "id": "2031201", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2031201"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-20", "details": ["ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability"], "name": "CVE-2021-43877", "package_state": [{"cpe": "cpe:/a:redhat:rhel_dotnet:3.1", "fix_state": "Not affected", "package_name": "rh-dotnet31", "product_name": ".NET Core 3.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/a:redhat:rhel_dotnet:5.0", "fix_state": "Not affected", "package_name": "rh-dotnet50", "product_name": ".NET Core 5.0 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet3.1", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet5.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet6.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet3.1", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2021-12-14T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-43877\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-43877\nhttps://github.com/dotnet/announcements/issues/206\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-43877"], "statement": "This only affects applications hosted using IIS.", "threat_severity": "Important"}