CVE-2021-31957

{"containers": {"cna": {"title": "ASP.NET Core Denial of Service Vulnerability", "datePublic": "2021-06-08T07:00:00.000Z", "affected": [{"vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "16.0", "lessThan": "16.4.23", "versionType": "custom", "status": "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": "16.7.16", "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": "16.9.7", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9)", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "16.10.0", "lessThan": "16.10.1", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Visual Studio 2019 for Mac version 8.10", "cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*"], "platforms": ["Unknown"], "versions": [{"version": "8.1.0", "lessThan": "8.10.1", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET Core 3.1", "cpes": ["cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "3.1", "lessThan": "3.1.16", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 5.0", "cpes": ["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "versions": [{"version": "5.0.0", "lessThan": "5.0.7", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": "ASP.NET Core Denial of Service Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "Denial of Service", "lang": "en-US", "type": "Impact"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2024-05-29T14:55:32.372Z"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957"}, {"name": "FEDORA-2021-4b3fc547fe", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/"}, {"name": "FEDORA-2021-cb4f3ab817", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/"}, {"name": "FEDORA-2021-1e0e04958d", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/"}, {"name": "FEDORA-2021-e9c84e6d26", "tags": ["vendor-advisory", "x_refsource_FEDORA"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "MEDIUM", "baseScore": 5.9, "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:10:31.331Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957"}, {"name": "FEDORA-2021-4b3fc547fe", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/"}, {"name": "FEDORA-2021-cb4f3ab817", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/"}, {"name": "FEDORA-2021-1e0e04958d", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/"}, {"name": "FEDORA-2021-e9c84e6d26", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"], "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/"}]}, {"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-400", "lang": "en", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-10-07T16:11:27.626727Z", "id": "CVE-2021-31957", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T16:12:06.426Z"}}]}, "cveMetadata": {"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "assignerShortName": "microsoft", "cveId": "CVE-2021-31957", "datePublished": "2021-06-08T22:46:26.000Z", "dateReserved": "2021-04-30T00:00:00.000Z", "dateUpdated": "2026-10-07T16:12:06.426Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957", "tags": ["x_refsource_MISC", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/", "name": "FEDORA-2021-4b3fc547fe", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/", "name": "FEDORA-2021-cb4f3ab817", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/", "name": "FEDORA-2021-1e0e04958d", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/", "name": "FEDORA-2021-e9c84e6d26", "tags": ["vendor-advisory", "x_refsource_FEDORA", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T23:10:31.331Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2021-31957", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-07T16:11:27.626727Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-400", "description": "CWE-400 Uncontrolled Resource Consumption"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-10-07T16:11:59.261Z"}}], "cna": {"title": "ASP.NET Core Denial of Service Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 5.9, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)", "versions": [{"status": "affected", "version": "16.0", "lessThan": "16.4.23", "versionType": "custom"}], "platforms": ["Unknown"]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 \u2013 16.6)", "versions": [{"status": "affected", "version": "16.0.0", "lessThan": "16.7.16", "versionType": "custom"}], "platforms": ["Unknown"]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"], "vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)", "versions": [{"status": "affected", "version": "15.0.0", "lessThan": "16.9.7", "versionType": "custom"}], "platforms": ["Unknown"]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "vendor": "Microsoft", "product": "Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9)", "versions": [{"status": "affected", "version": "16.10.0", "lessThan": "16.10.1", "versionType": "custom"}], "platforms": ["Unknown"]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*"], "vendor": "Microsoft", "product": "Visual Studio 2019 for Mac version 8.10", "versions": [{"status": "affected", "version": "8.1.0", "lessThan": "8.10.1", "versionType": "custom"}], "platforms": ["Unknown"]}, {"cpes": ["cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"], "vendor": "Microsoft", "product": ".NET Core 3.1", "versions": [{"status": "affected", "version": "3.1", "lessThan": "3.1.16", "versionType": "custom"}], "platforms": ["Unknown"]}, {"cpes": ["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"], "vendor": "Microsoft", "product": ".NET 5.0", "versions": [{"status": "affected", "version": "5.0.0", "lessThan": "5.0.7", "versionType": "custom"}], "platforms": ["Unknown"]}], "datePublic": "2021-06-08T07:00:00.000Z", "references": [{"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957", "tags": ["x_refsource_MISC"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/", "name": "FEDORA-2021-4b3fc547fe", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/", "name": "FEDORA-2021-cb4f3ab817", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/", "name": "FEDORA-2021-1e0e04958d", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/", "name": "FEDORA-2021-e9c84e6d26", "tags": ["vendor-advisory", "x_refsource_FEDORA"]}], "descriptions": [{"lang": "en-US", "value": "ASP.NET Core Denial of Service Vulnerability"}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "Impact", "description": "Denial of Service"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2024-05-29T14:55:32.372Z"}}}, "cveMetadata": {"cveId": "CVE-2021-31957", "state": "PUBLISHED", "dateUpdated": "2026-10-07T16:12:06.426Z", "dateReserved": "2021-04-30T00:00:00.000Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2021-06-08T22:46:26.000Z", "assignerShortName": "microsoft"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "product": "Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)", "vendor": "Microsoft", "versions": [{"lessThan": "16.4.23", "status": "affected", "version": "16.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "product": "Microsoft Visual Studio 2019 version 16.7 (includes 16.0 \u2013 16.6)", "vendor": "Microsoft", "versions": [{"lessThan": "16.7.16", "status": "affected", "version": "16.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:16.9:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "product": "Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)", "vendor": "Microsoft", "versions": [{"lessThan": "16.9.7", "status": "affected", "version": "15.0.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "product": "Microsoft Visual Studio 2019 version 16.10 (includes 16.0 - 16.9)", "vendor": "Microsoft", "versions": [{"lessThan": "16.10.1", "status": "affected", "version": "16.10.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*"], "platforms": ["Unknown"], "product": "Visual Studio 2019 for Mac version 8.10", "vendor": "Microsoft", "versions": [{"lessThan": "8.10.1", "status": "affected", "version": "8.1.0", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "product": ".NET Core 3.1", "vendor": "Microsoft", "versions": [{"lessThan": "3.1.16", "status": "affected", "version": "3.1", "versionType": "custom"}]}, {"cpes": ["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"], "platforms": ["Unknown"], "product": ".NET 5.0", "vendor": "Microsoft", "versions": [{"lessThan": "5.0.7", "status": "affected", "version": "5.0.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "matchCriteriaId": "09FFD881-EFC6-4918-9371-47F782F9D308", "versionEndIncluding": "5.0.6", "versionStartIncluding": "5.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*", "matchCriteriaId": "97588832-160B-4882-B286-0906733CEEB2", "versionEndIncluding": "3.1.15", "versionStartIncluding": "3.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*", "matchCriteriaId": "26472C42-CDB4-4176-B10B-3BF26F5030E3", "versionEndIncluding": "16.10", "versionStartIncluding": "16.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2019:8.10:*:*:*:*:macos:*:*", "matchCriteriaId": "BA547FFE-D557-4612-9840-EEE88ACF53AA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*", "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194", "vulnerable": true}, {"criteria": "cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*", "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "ASP.NET Core Denial of Service Vulnerability"}, {"lang": "es", "value": "Una vulnerabilidad de Denegaci\u00f3n de Servicio en ASP.NET"}], "id": "CVE-2021-31957", "lastModified": "2026-10-07T17:16:42.677", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-31957", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-10-07T16:11:27.626727Z", "version": "2.0.3"}}]}, "published": "2021-06-08T23:15:08.870", "references": [{"source": "secure@microsoft.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/"}, {"source": "secure@microsoft.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/"}, {"source": "secure@microsoft.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/"}, {"source": "secure@microsoft.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/"}, {"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4PRVVLXXQEF4SEJOBV3VRJHGX7YHY2CG/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVCDYIP4A6DDRT7G6P3ZW6PKNK2DNWJ2/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PMHWHRRYDHKM6BIINW5V7OCSW4SDWB4W/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VMAO4NG2OQ4PCXUQWMNSCMYWLIJJY6UY/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31957"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-400"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"affected_release": [{"advisory": "RHSA-2021:2350", "cpe": "cpe:/a:redhat:rhel_dotnet:3.1::el7", "package": "rh-dotnet31-dotnet-0:3.1.116-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-06-09T00:00:00Z"}, {"advisory": "RHSA-2021:2351", "cpe": "cpe:/a:redhat:rhel_dotnet:5.0::el7", "package": "rh-dotnet50-dotnet-0:5.0.204-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2021-06-09T00:00:00Z"}, {"advisory": "RHSA-2021:2352", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet3.1-0:3.1.116-1.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-09T00:00:00Z"}, {"advisory": "RHSA-2021:2353", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet5.0-0:5.0.204-1.el8_4", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2021-06-09T00:00:00Z"}], "bugzilla": {"description": "dotnet: ASP.NET Core Client Disconnect Denial of Service", "id": "1966990", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1966990"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.9", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-772", "details": ["ASP.NET Core Denial of Service Vulnerability", "A flaw was found in dotnet. The way client disconnects are handled can allow a remote, unauthenticated attacker to exploit this vulnerability to cause a denial of service against an ASP.NET Core application. The highest threat from this vulnerability is to system availability."], "name": "CVE-2021-31957", "package_state": [{"cpe": "cpe:/a:redhat:rhel_dotnet:2.1", "fix_state": "Not affected", "package_name": "rh-dotnet21", "product_name": ".NET Core 2.1 on Red Hat Enterprise Linux"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet", "product_name": "Red Hat Enterprise Linux 8"}], "public_date": "2021-06-08T17:35:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2021-31957\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-31957\nhttps://github.com/dotnet/announcements/issues/189\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31957"], "threat_severity": "Important"}

{}