{"id":"BIT-dotnet-sdk-2023-38180","revision":null,"records":[{"revision":"59dfe4df2f34466aaa1864c32463c6e9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-38180","aliases":[],"title":".NET and Visual Studio Denial of Service Vulnerability","description":".NET and Visual Studio Denial of Service Vulnerability","state":0,"publishedAt":"2023-08-08T18:52:31.79+00:00","modifiedAt":"2026-08-10T15:12:01.076+00:00","affected":[{"ecosystem":"Vendor product","name":".NET 6.0","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \".NET 6.0\",\n                    \"versions\": [\n                        {\n                            \"version\": \"6.0.0\",\n                            \"lessThan\": \"6.0.21\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    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\"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2022 version 17.2","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2022 version 17.2\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.2.0\",\n                            \"lessThan\": \"17.2.18\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2022 version 17.4","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2022 version 17.4\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.4.0\",\n                            \"lessThan\": \"17.4.10\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Microsoft Visual Studio 2022 version 17.6","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Microsoft\",\n                    \"product\": \"Microsoft Visual Studio 2022 version 17.6\",\n                    \"versions\": [\n                        {\n                            \"version\": \"17.6.0\",\n                            \"lessThan\": \"17.6.6\",\n                            \"versionType\": \"custom\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                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ScadaConnect","vulnerabilityIds":["CVE-2022-40303","CVE-2022-40304","CVE-2023-0464","CVE-2023-0465","CVE-2023-0466","CVE-2023-3446","CVE-2023-5678","CVE-2023-21808","CVE-2023-24895","CVE-2023-24897","CVE-2023-24936","CVE-2023-28260","CVE-2023-28484","CVE-2023-29331","CVE-2023-29469","CVE-2023-32032","CVE-2023-33126","CVE-2023-33127","CVE-2023-33128","CVE-2023-33135","CVE-2023-33170","CVE-2023-35390","CVE-2023-35391","CVE-2023-36038","CVE-2023-36049","CVE-2023-36435","CVE-2023-36558","CVE-2023-36792","CVE-2023-36793","CVE-2023-36794","CVE-2023-36796","CVE-2023-36799","CVE-2023-38171","CVE-2023-38178","CVE-2023-38180","CVE-2023-39615","CVE-2023-44487"]},{"id":"RHSA-2023:4639","title":"Red Hat Security Advisory: .NET 6.0 security update","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]},{"id":"RHSA-2023:4640","title":"Red Hat Security Advisory: .NET 6.0 security update","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]},{"id":"RHSA-2023:4641","title":"Red Hat Security Advisory: rh-dotnet60-dotnet security, bug fix, and enhancement update","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]},{"id":"RHSA-2023:4642","title":"security update for dotnet7.0","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]},{"id":"RHSA-2023:4643","title":"security update for dotnet7.0","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]},{"id":"msrc_CVE-2023-38180","title":".NET and Visual Studio Denial of Service Vulnerability","vulnerabilityIds":["CVE-2023-38180"]},{"id":"NCSC-2024-0246","title":"Kwetsbaarheden verholpen in Siemens producten","vulnerabilityIds":["CVE-2023-28319","CVE-2023-28484","CVE-2023-29331","CVE-2023-29469","CVE-2023-32032","CVE-2023-33126","CVE-2023-33127","CVE-2023-33128","CVE-2023-33135","CVE-2023-33170","CVE-2023-35390","CVE-2023-35391","CVE-2023-35788","CVE-2023-35823","CVE-2023-35824","CVE-2023-35828","CVE-2023-35829","CVE-2023-36038","CVE-2023-36049","CVE-2023-36435","CVE-2023-36558","CVE-2023-36792","CVE-2023-36793","CVE-2023-36794","CVE-2023-36796","CVE-2023-36799","CVE-2023-38171","CVE-2023-38178","CVE-2023-38180","CVE-2023-38380","CVE-2023-38533","CVE-2023-39615","CVE-2023-41910","CVE-2023-44317","CVE-2023-44318","CVE-2023-44319","CVE-2023-44373","CVE-2023-44374","CVE-2023-44487","CVE-2023-49691","CVE-2023-50763","CVE-2023-52474","CVE-2024-0775","CVE-2024-31484","CVE-2024-33500","CVE-2024-35206","CVE-2024-35207","CVE-2024-35208","CVE-2024-35209","CVE-2024-35210","CVE-2024-35211","CVE-2024-35212","CVE-2024-35292","CVE-2024-35303","CVE-2024-36266","CVE-2021-47178","CVE-2022-1015","CVE-2022-2097","CVE-2022-3435","CVE-2022-3545","CVE-2022-3623","CVE-2022-3643","CVE-2022-4304","CVE-2022-4450","CVE-2022-36323","CVE-2022-39189","CVE-2022-40225","CVE-2022-40303","CVE-2022-40304","CVE-2022-41742","CVE-2022-42328","CVE-2022-42329","CVE-2022-44792","CVE-2022-44793","CVE-2022-45886","CVE-2022-45887","CVE-2022-45919","CVE-2022-46144","CVE-2023-0160","CVE-2023-0215","CVE-2023-0286","CVE-2023-0464","CVE-2023-0465","CVE-2023-0466","CVE-2023-1017","CVE-2023-2124","CVE-2023-2269","CVE-2023-3446","CVE-2023-3817","CVE-2023-5678","CVE-2023-21255","CVE-2023-21808","CVE-2023-24895","CVE-2023-24897","CVE-2023-24936","CVE-2023-26552","CVE-2023-26553","CVE-2023-26554","CVE-2023-27321","CVE-2023-28260"]},{"id":"SSA-341067","title":"SSA-341067: Multiple vulnerabilities in third-party components in ST7 ScadaConnect  before V1.1","vulnerabilityIds":["CVE-2022-40303","CVE-2022-40304","CVE-2023-0464","CVE-2023-0465","CVE-2023-0466","CVE-2023-3446","CVE-2023-5678","CVE-2023-21808","CVE-2023-24895","CVE-2023-24897","CVE-2023-24936","CVE-2023-28260","CVE-2023-28484","CVE-2023-29331","CVE-2023-29469","CVE-2023-32032","CVE-2023-33126","CVE-2023-33127","CVE-2023-33128","CVE-2023-33135","CVE-2023-33170","CVE-2023-35390","CVE-2023-35391","CVE-2023-36038","CVE-2023-36049","CVE-2023-36435","CVE-2023-36558","CVE-2023-36792","CVE-2023-36793","CVE-2023-36794","CVE-2023-36796","CVE-2023-36799","CVE-2023-38171","CVE-2023-38178","CVE-2023-38180","CVE-2023-39615","CVE-2023-44487"]},{"id":"RHSA-2023:4644","title":"security update for dotnet6.0","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]},{"id":"RHSA-2023:4645","title":"security update for dotnet6.0","vulnerabilityIds":["CVE-2023-35390","CVE-2023-38180"]}],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2023-2363","identifiers":["EUVD-2023-2363","CVE-2023-38180","GHSA-vmch-3w2x-vhgq"]},"retained":false,"historicalAffected":[]},{"revision":"ea190453b1ab4fed9eb6e0cdd0873cd9","observedAt":"2026-11-12T04:59:15.028+00:00","statement":{"source":"nvd","id":"CVE-2023-38180","aliases":[],"title":".NET and Visual Studio Denial of Service Vulnerability","description":".NET and Visual Studio Denial of Service Vulnerability","state":0,"publishedAt":"2023-08-08T19:15:10.367+00:00","modifiedAt":"2026-11-10T13:10:00.363+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · secure@microsoft.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-38180","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CL2L4WE5QRT7WEXANYXSKSU43APC5N2V/","https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NWVZFKTLNMNKPZ755EMRYIA6GHFOWGKY/","https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-38180"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2023-38180","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["NVD-CWE-noinfo","CWE-400"],"productCriteria":["cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*"],"sourceDates":{"published":"2023-08-08T19:15:10.367","lastModified":"2026-11-10T13:10:00.363"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2023-38180","identifiers":["CVE-2023-38180"]},"retained":false,"historicalAffected":[]},{"revision":"d118f15b51c04faf900eb1f7b62b3ae7","observedAt":"2026-10-23T16:01:25.029+00:00","statement":{"source":"osv","id":"GHSA-vmch-3w2x-vhgq","aliases":["BIT-aspnet-core-2023-38180","BIT-dotnet-2023-38180","BIT-dotnet-sdk-2023-38180","CVE-2023-38180"],"title":".NET Denial of Service Vulnerability","description":"# Microsoft Security Advisory CVE-2023-38180: .NET Denial of Service Vulnerability\n\n## <a name=\"executive-summary\"></a>Executive summary\n\nMicrosoft is releasing this security advisory to provide information about a vulnerability in ASP.NET Core 2.1, .NET 6.0, and .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.\n\nA vulnerability exists in Kestrel where, on detecting a potentially malicious client, Kestrel will sometimes fail to disconnect it, resulting in denial of service.\n\n## Announcement\n\nAnnouncement for this issue can be found at  https://github.com/dotnet/announcements/issues/269\n\n### <a name=\"mitigation-factors\"></a>Mitigation factors\n\nIf your application is running behind a reverse proxy, or Web Application Firewall, which has its own mitigations against HTTP based attacks this issue may be mitigated by the proxy or WAF\n\n## <a name=\"affected-software\"></a>Affected software\n\n* Any .NET 7.0 application running on .NET 7.0.8 or earlier.\n* Any .NET 6.0 application running on .NET 6.0.19 or earlier.\n\nIf your application uses the following package versions, ensure you update to the latest version of .NET.\n\n### <a name=\".NET 7\"></a>.NET 7\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[Microsoft.AspNetCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-arm64)      | >= 7.0.0, <= 7.0.9 | 7.0.10\n[Microsoft.AspNetCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x64)          | >= 7.0.0, <= 7.0.9 | 7.0.10\n[Microsoft.AspNetCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x86)          | >= 7.0.0, <= 7.0.9 | 7.0.10\n\n### <a name=\".NET 6\"></a>.NET 6\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv](https://www.nuget.org/packages/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv)      | >= 6.0.0, <= 6.0.20 | 6.0.21\n[Microsoft.AspNetCore.App.Runtime.win-arm64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-arm64)      | >= 6.0.0, <= 6.0.20 | 6.0.21\n[Microsoft.AspNetCore.App.Runtime.win-x64](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x64)          | >= 6.0.0, <= 6.0.20 | 6.0.21\n[Microsoft.AspNetCore.App.Runtime.win-x86](https://www.nuget.org/packages/Microsoft.AspNetCore.App.Runtime.win-x86)          | >= 6.0.0, <= 6.0.20 | 6.0.21\n\n### <a name=\"ASP.NET Core 2.1\"></a>ASP.NET Core 2.1\n\nPackage name | Affected version | Patched version\n------------ | ---------------- | -------------------------\n[Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv](https://www.nuget.org/packages/Microsoft.AspNetCore.Server.Kestrel.Transport.Libuv)      | <= 2.1.39 | 2.1.40\n[Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets](https://www.nuget.org/packages/Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets) | <= 2.1.39 | 2.1.40\n\n## Advisory FAQ\n\n### <a name=\"how-affected\"></a>How do I know if I am affected?\n\nIf you have a runtime or SDK with a version listed, or an affected package listed in [affected software](#affected-software), you're exposed to the vulnerability.\n\n### <a name=\"how-fix\"></a>How do I fix the issue?\n\n* To fix the issue please install the latest version of .NET 6.0 or .NET 7.0. If you have installed one or more .NET SDKs through Visual Studio, Visual Studio will prompt you to update Visual Studio, which will also update your .NET  SDKs.\n* If you are using one of the affected packages, please update to the patched version listed above.\n* If you have .NET 6.0 or greater installed, you can list the versions you have installed by running the `dotnet --info` command. You will see output like the following;\n\n```\n.NET Core SDK (reflecting any global.json):\n\n Version:   6.0.300\n Commit:    8473146e7d\n\nRuntime Environment:\n\n OS Name:     Windows\n OS Version:  10.0.18363\n OS Platform: Windows\n RID:         win10-x64\n Base Path:   C:\\Program Files\\dotnet\\sdk\\6.0.300\\\n\nHost (useful for support):\n\n  Version: 6.0.5\n  Commit:  8473146e7d\n\n.NET Core SDKs installed:\n\n  6.0.300 [C:\\Program Files\\dotnet\\sdk]\n\n.NET Core runtimes installed:\n\n  Microsoft.AspNetCore.App 6.0.5 [C:\\Program Files\\dotnet\\shared\\Microsoft.AspNetCore.App]\n  Microsoft.NETCore.App 6.0.5 [C:\\Program Files\\dotnet\\shared\\Microsoft.NETCore.App]\n  Microsoft.WindowsDesktop.App 6.0.5 [C:\\Program Files\\dotnet\\shared\\Microsoft.WindowsDesktop.App]\n\nTo install additional .NET Core runtimes or SDKs:\n  https://aka.ms/dotnet-download\n```\n\n* If you're using .NET 7.0, you should download and install Runtime 7.0.10 or SDK 7.0.110 (for Visual Studio 2022 v17.4) from https://dotnet.microsoft.com/download/dotnet-core/7.0.\n* If you're using .NET 6.0, you should download and install Runtime 6.0.21 or SDK 6.0.316 (for Visual Studio 2022 v17.2) from https://dotnet.microsoft.com/download/dotnet-core/6.0.\n\n.NET 6.0 and and .NET 7.0 updates are also available from Microsoft Update. To access this either type \"Check for updates\" in your Windows search, or open Settings, choose Update & Security and then click Check for Updates.\n\nOnce you have installed the updated runtime or SDK, restart your apps for the update to take effect.\n\nAdditionally, if you've deployed [self-contained applications](https://docs.microsoft.com/dotnet/core/deploying/#self-contained-deployments-scd) targeting any of the impacted versions, these applications are also vulnerable and must be recompiled and redeployed.\n\n## Other Information\n\n### Reporting Security Issues\n\nIf you have found a potential security issue in .NET 6.0 or .NET 7.0, please email details to secure@microsoft.com. Reports may qualify for the Microsoft .NET Core & .NET 5 Bounty. Details of the Microsoft .NET Bounty Program including terms and conditions are at <https://aka.ms/corebounty>.\n\n### Support\n\nYou can ask questions about this issue on GitHub in the .NET GitHub organization. The main repos are located at https://github.com/dotnet/runtime and https://github.com/dotnet/aspnet/. The Announcements repo (https://github.com/dotnet/Announcements) will contain this bulletin as an issue and will include a link to a discussion issue. You can ask questions in the linked discussion issue.\n\n### Disclaimer\n\nThe information provided in this advisory is provided \"as is\" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.\n\n### External Links\n\n[CVE-2023-38180]( https://www.cve.org/CVERecord?id=CVE-2023-38180)\n\n### Revisions\n\nV1.0 (August 08, 2023): Advisory published.\n\n_Version 1.0_\n\n_Last Updated 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