{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2024-21404", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "state": "PUBLISHED", "assignerShortName": "microsoft", "dateReserved": "2023-12-08T22:45:21.298Z", "datePublished": "2024-02-13T18:02:24.234Z", "dateUpdated": "2026-08-10T15:12:22.434Z"}, "containers": {"cna": {"title": ".NET Denial of Service Vulnerability", "datePublic": "2024-02-13T08:00:00.000Z", "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0.0", "versionEndExcluding": "6.0.27"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "7.0.0", "versionEndExcluding": "7.0.16"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "versionStartIncluding": "8.0", "versionEndExcluding": "8.0.2"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.4.0", "versionEndExcluding": "17.4.16"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.6.0", "versionEndExcluding": "17.6.12"}, {"vulnerable": true, "criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "versionStartIncluding": "17.8.0", "versionEndExcluding": "17.8.7"}]}]}], "affected": [{"vendor": "Microsoft", "product": ".NET 6.0", "versions": [{"version": "6.0.0", "lessThan": "6.0.27", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 7.0", "versions": [{"version": "7.0.0", "lessThan": "7.0.16", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": ".NET 8.0", "versions": [{"version": "8.0", "lessThan": "8.0.2", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.4", "versions": [{"version": "17.4.0", "lessThan": "17.4.16", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.6", "versions": [{"version": "17.6.0", "lessThan": "17.6.12", "versionType": "custom", "status": "affected"}]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.8", "versions": [{"version": "17.8.0", "lessThan": "17.8.7", "versionType": "custom", "status": "affected"}]}], "descriptions": [{"value": ".NET Denial of Service Vulnerability", "lang": "en-US"}], "problemTypes": [{"descriptions": [{"description": "CWE-476: NULL Pointer Dereference", "lang": "en-US", "type": "CWE", "cweId": "CWE-476"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2026-08-10T15:12:22.434Z"}, "references": [{"name": ".NET Denial of Service Vulnerability", "tags": ["vendor-advisory", "patch"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21404"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en-US", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "baseSeverity": "HIGH", "baseScore": 7.5, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"}}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-06-28T14:17:08.064098Z", "id": "CVE-2024-21404", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"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": "2024-06-28T14:17:14.300Z"}}, {"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T22:20:40.452Z"}, "title": "CVE Program Container", "references": [{"name": ".NET Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_transferred"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21404"}]}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21404", "name": ".NET Denial of Service Vulnerability", "tags": ["vendor-advisory", "x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-01T22:20:40.452Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-21404", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-06-28T14:17:08.064098Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-28T14:17:11.906Z"}}], "cna": {"title": ".NET Denial of Service Vulnerability", "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C"}, "scenarios": [{"lang": "en-US", "value": "GENERAL"}]}], "affected": [{"vendor": "Microsoft", "product": ".NET 6.0", "versions": [{"status": "affected", "version": "6.0.0", "lessThan": "6.0.27", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": ".NET 7.0", "versions": [{"status": "affected", "version": "7.0.0", "lessThan": "7.0.16", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": ".NET 8.0", "versions": [{"status": "affected", "version": "8.0", "lessThan": "8.0.2", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.4", "versions": [{"status": "affected", "version": "17.4.0", "lessThan": "17.4.16", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.6", "versions": [{"status": "affected", "version": "17.6.0", "lessThan": "17.6.12", "versionType": "custom"}], "platforms": ["Unknown"]}, {"vendor": "Microsoft", "product": "Microsoft Visual Studio 2022 version 17.8", "versions": [{"status": "affected", "version": "17.8.0", "lessThan": "17.8.7", "versionType": "custom"}], "platforms": ["Unknown"]}], "datePublic": "2024-02-13T08:00:00.000Z", "references": [{"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21404", "name": ".NET Denial of Service Vulnerability", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en-US", "value": ".NET Denial of Service Vulnerability"}], "problemTypes": [{"descriptions": [{"lang": "en-US", "type": "CWE", "cweId": "CWE-476", "description": "CWE-476: NULL Pointer Dereference"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.0.27", "versionStartIncluding": "6.0.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "7.0.16", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "8.0.2", "versionStartIncluding": "8.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.4.16", "versionStartIncluding": "17.4.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.6.12", "versionStartIncluding": "17.6.0"}, {"criteria": "cpe:2.3:a:microsoft:visual_studio:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "17.8.7", "versionStartIncluding": "17.8.0"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "shortName": "microsoft", "dateUpdated": "2025-05-03T01:37:46.567Z"}}}, "cveMetadata": {"cveId": "CVE-2024-21404", "state": "PUBLISHED", "dateUpdated": "2025-05-03T01:37:46.567Z", "dateReserved": "2023-12-08T22:45:21.298Z", "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8", "datePublished": "2024-02-13T18:02:24.234Z", "assignerShortName": "microsoft"}, "dataVersion": "5.1"}

{"affected": [{"affectedData": [{"platforms": ["Unknown"], "product": ".NET 6.0", "vendor": "Microsoft", "versions": [{"lessThan": "6.0.27", "status": "affected", "version": "6.0.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": ".NET 7.0", "vendor": "Microsoft", "versions": [{"lessThan": "7.0.16", "status": "affected", "version": "7.0.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": ".NET 8.0", "vendor": "Microsoft", "versions": [{"lessThan": "8.0.2", "status": "affected", "version": "8.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": "Microsoft Visual Studio 2022 version 17.4", "vendor": "Microsoft", "versions": [{"lessThan": "17.4.16", "status": "affected", "version": "17.4.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": "Microsoft Visual Studio 2022 version 17.6", "vendor": "Microsoft", "versions": [{"lessThan": "17.6.12", "status": "affected", "version": "17.6.0", "versionType": "custom"}]}, {"platforms": ["Unknown"], "product": "Microsoft Visual Studio 2022 version 17.8", "vendor": "Microsoft", "versions": [{"lessThan": "17.8.7", "status": "affected", "version": "17.8.0", "versionType": "custom"}]}], "source": "secure@microsoft.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "matchCriteriaId": "152AECFB-BB7E-40FC-B9FF-6CAA908B34E4", "versionEndExcluding": "6.0.27", "versionStartIncluding": "6.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "matchCriteriaId": "BBAFB920-6975-4E01-B75B-5AB6991281CD", "versionEndExcluding": "7.0.16", "versionStartIncluding": "7.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*", "matchCriteriaId": "0BDF34C1-9C87-4EAB-8DBD-49CF6ED87522", "versionEndExcluding": "8.0.2", "versionStartIncluding": "8.0.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "474DB3BE-DF4D-4F8B-B4ED-8D2EECBED45F", "versionEndExcluding": "17.4.16", "versionStartIncluding": "17.4.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "FDFA874A-0DB4-41F3-9122-29F1842B951F", "versionEndExcluding": "17.6.12", "versionStartIncluding": "17.6.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "96B56F8A-097E-4A57-9CA9-5255CE3B9924", "versionEndExcluding": "17.8.7", "versionStartIncluding": "17.8.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": ".NET Denial of Service Vulnerability"}, {"lang": "es", "value": "Vulnerabilidad de denegaci\u00f3n de servicio de .NET"}], "id": "CVE-2024-21404", "lastModified": "2026-06-17T07:09:12.897", "metrics": {"cvssMetricV31": [{"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": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-21404", "options": [{"exploitation": "poc"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-06-28T14:17:08.064098Z", "version": "2.0.3"}}]}, "published": "2024-02-13T18:15:59.023", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21404"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21404"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "secure@microsoft.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2024:0814", "cpe": "cpe:/a:redhat:rhel_dotnet:6.0::el7", "package": "rh-dotnet60-dotnet-0:6.0.127-1.el7_9", "product_name": ".NET Core on Red Hat Enterprise Linux", "release_date": "2024-02-14T00:00:00Z"}, {"advisory": "RHSA-2024:0806", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet7.0-0:7.0.116-1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2024:0808", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet6.0-0:6.0.127-1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2024:0827", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet8.0-0:8.0.102-2.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-02-15T00:00:00Z"}, {"advisory": "RHSA-2024:3340", "cpe": "cpe:/a:redhat:enterprise_linux:8", "package": "dotnet7.0-0:7.0.119-1.el8_10", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2024-05-23T00:00:00Z"}, {"advisory": "RHSA-2024:1554", "cpe": "cpe:/a:redhat:rhel_eus:8.6", "package": "dotnet6.0-0:6.0.127-1.el8_6", "product_name": "Red Hat Enterprise Linux 8.6 Extended Update Support", "release_date": "2024-03-27T00:00:00Z"}, {"advisory": "RHSA-2024:1553", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "dotnet6.0-0:6.0.127-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-03-27T00:00:00Z"}, {"advisory": "RHSA-2024:1641", "cpe": "cpe:/a:redhat:rhel_eus:8.8", "package": "dotnet7.0-0:7.0.116-1.el8_8", "product_name": "Red Hat Enterprise Linux 8.8 Extended Update Support", "release_date": "2024-04-02T00:00:00Z"}, {"advisory": "RHSA-2024:0805", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dotnet7.0-0:7.0.116-1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2024:0807", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dotnet6.0-0:6.0.127-1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-02-13T00:00:00Z"}, {"advisory": "RHSA-2024:0848", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dotnet8.0-0:8.0.102-2.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-02-15T00:00:00Z"}, {"advisory": "RHSA-2024:2843", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "dotnet7.0-0:7.0.119-1.el9_4", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2024-05-15T00:00:00Z"}, {"advisory": "RHSA-2024:1552", "cpe": "cpe:/a:redhat:rhel_eus:9.0", "package": "dotnet6.0-0:6.0.127-1.el9_0", "product_name": "Red Hat Enterprise Linux 9.0 Extended Update Support", "release_date": "2024-03-27T00:00:00Z"}, {"advisory": "RHSA-2024:1555", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "dotnet6.0-0:6.0.127-1.el9_2.1", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-03-27T00:00:00Z"}, {"advisory": "RHSA-2024:1643", "cpe": "cpe:/a:redhat:rhel_eus:9.2", "package": "dotnet7.0-0:7.0.116-1.el9_2", "product_name": "Red Hat Enterprise Linux 9.2 Extended Update Support", "release_date": "2024-04-02T00:00:00Z"}], "bugzilla": {"description": "dotnet: Denial of Service in X509Certificate2", "id": "2263086", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2263086"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-400", "details": [".NET Denial of Service Vulnerability", "A denial of service vulnerability exists in .NET applications with OpenSSL support when parsing X509 certificates. The issue arises from inadequate validation of user-supplied input in .NET. This flaw allows a remote attacker to trigger a denial of service (DoS) attack by providing specially crafted input."], "name": "CVE-2024-21404", "public_date": "2024-02-13T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-21404\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-21404"], "threat_severity": "Important"}

{}