{"answers":{"affected":"40 open source packages ship an affected version, including Microsoft.AspNetCore.App.Runtime.linux-arm, aspnet-core and Microsoft.AspNetCore.App.Runtime.linux-arm64. It affects 3 products.","exploited":"There is no known exploitation of CVE-2021-1723 in the wild and no public exploit code.","fix":"Upgrade Microsoft.AspNetCore.App.Runtime.linux-arm to a fixed version for your release line: 3.1.11 or 5.0.2.","what":"CVE-2021-1723 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 12 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim."},"fix_prompt":"Check this codebase for CVE-2021-1723 and fix it if it is affected.\n\nWhat it is: CVE-2021-1723 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 12 Jan 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.\nExploitation: There is no known exploitation of CVE-2021-1723 in the wild and no public exploit code.\n\nAffected packages and fixed versions:\n- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): affected from 3.1.0; fixed in 3.1.11\n- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): affected from 3.1.0; fixed in 3.1.11\n- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): affected from 5.0.0; fixed in 5.0.2\n- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet): affected from 5.0.0; fixed in 5.0.2\n- aspnet-core (Bitnami): affected from 3.1.0; fixed in 3.1.11, 5.0.2\n- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): affected from 3.1.0; fixed in 3.1.11\n- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): affected from 3.1.0; fixed in 3.1.11\n- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): affected from 5.0.0; fixed in 5.0.2\n- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet): affected from 5.0.0; fixed in 5.0.2\n- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): affected from 5.0.1; fixed in 5.0.2\n- Microsoft.AspNetCore.App.Runtime.linux-musl-arm (NuGet): affected from 5.0.1; fixed in 5.0.2\n- Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 (NuGet): affected from 3.1.0; fixed in 3.1.11\n\nTask:\n1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.\n2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.\n3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.\n4. Run the tests and summarise what changed and why.\n5. If nothing in the project is affected, say so and change nothing.\n\nReference: https://insights.sbomify.com/CVE-2021-1723/ (Markdown: https://insights.sbomify.com/CVE-2021-1723/index.md)","id":"CVE-2021-1723","markdown":"https://insights.sbomify.com/CVE-2021-1723/index.md","name":"CVE-2021-1723","record":{"aliases":["BIT-aspnet-core-2021-1723","GHSA-242j-2gm6-5rwx","RHSA-2021:0094","RHSA-2021:0095","RHSA-2021:0096","RHSA-2021:0114"],"analysis":{"component_type":"library","fix_type":"patch","impacts":["denial_of_service"],"network_reachable":"yes","non_default_config":false,"product_category":"ASP.NET Core","requires_auth":"none","summary":"Attackers can cause a denial of service in ASP.NET Core and Visual Studio by exploiting a vulnerability in the framework.","user_interaction":"not_required","vuln_class":"denial_of_service"},"analysis_generated_by":"qwen3.8-flash-next","assigner":"microsoft","cpe":[{"product":"fedora","vendor":"fedoraproject"},{"product":"asp.net_core","vendor":"microsoft"},{"product":"visual_studio_2019","vendor":"microsoft"}],"cvss":{"score":7.5,"severity":"high","source":"cna","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","version":"3.1"},"cwes":[],"description":"ASP.NET Core and Visual Studio Denial of Service Vulnerability","ecosystems":["Bitnami","NuGet","Red Hat:enterprise_linux:8::appstream","Red Hat:rhel_dotnet:3.1::el7","Red Hat:rhel_dotnet:5.0::el7"],"exploits":{"exploitdb":0,"first_seen":null,"github_poc":0,"max_poc_stars":null,"metasploit":0,"nuclei":0,"refs":[],"tier":"none_known"},"has_fix":true,"headline":"ASP.NET Core and Visual Studio Denial of Service Vulnerability","id":"CVE-2021-1723","indexable":true,"kev":null,"kind":"cve","links":{"ecosystem":"Bitnami","product":"fedoraproject:fedora","products":["fedoraproject:fedora","microsoft:visual_studio_2019"],"type":"denial_of_service","year":"2021"},"n_packages":103,"n_references":1,"next":{"headline":"Microsoft Dynamics Business Central Cross-site Scripting Vulnerability","id":"CVE-2021-1724"},"packages":[{"ecosystem":"Bitnami","fixed":["3.1.11","5.0.2"],"introduced":["3.1.0","5.0.0"],"last_affected":[],"package":"aspnet-core","purl":"pkg:bitnami/aspnet-core","source":"BIT-aspnet-core-2021-1723"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-arm64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.1"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.1"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-musl-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.linux-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.osx-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.osx-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.osx-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.osx-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.osx-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.osx-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-arm","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-arm","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-arm64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-arm64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-arm64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-x64","purl":null,"source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["5.0.2"],"introduced":["5.0.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-x64","purl":"pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-x64","source":"GHSA-242j-2gm6-5rwx"},{"ecosystem":"NuGet","fixed":["3.1.11"],"introduced":["3.1.0"],"last_affected":[],"package":"Microsoft.AspNetCore.App.Runtime.win-x86","purl":null,"source":"GHSA-242j-2gm6-5rwx"}],"prev":{"headline":"Windows Fax Service Remote Code Execution Vulnerability","id":"CVE-2021-1722"},"products":["ASP.NET Core 3.1","ASP.NET Core 5.0","Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)","Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)","Microsoft Visual Studio 2019 version 16.8"],"published":"2021-01-12","related":[{"cvss_score":9.8,"headline":"PHP-CGI OS Command Injection","id":"CVE-2024-4577","kev_date_added":"2024-06-12","published":"2024-06-09"},{"cvss_score":9.8,"headline":"Grafana Authentication Bypass","id":"CVE-2021-39226","kev_date_added":"2022-08-25","published":"2021-10-05"},{"cvss_score":9.8,"headline":"VMware ESXi and Horizon DaaS OpenSLP Heap-Based Buffer Overflow","id":"CVE-2019-5544","kev_date_added":"2021-11-03","published":"2019-12-06"},{"cvss_score":9.6,"headline":"Google Chromium V8 Type Confusion","id":"CVE-2024-4947","kev_date_added":"2024-05-20","published":"2024-05-15"},{"cvss_score":9.6,"headline":"Google Chromium Visuals Use-After-Free","id":"CVE-2024-4671","kev_date_added":"2024-05-13","published":"2024-05-09"},{"cvss_score":9.6,"headline":"Google Chromium Mojo Insufficient Data Validation","id":"CVE-2022-3075","kev_date_added":"2022-09-08","published":"2022-09-26"},{"cvss_score":9.6,"headline":"Google Chromium Indexed DB API Use-After-Free","id":"CVE-2021-30633","kev_date_added":"2021-11-03","published":"2021-10-08"}],"sources":[{"class":"attribution","licence":"Apache-2.0","name":"Bitnami","prefix":"BIT"},{"class":"attribution","licence":"CVE Terms of Use (MITRE)","name":"CVE List","prefix":"CVE"},{"class":"attribution","licence":"CC BY 4.0","name":"GitHub Advisory Database","prefix":"GHSA"},{"class":"attribution","licence":"US public information, NVD API terms","name":"NVD"},{"class":"attribution","licence":"FIRST CVSS licence","name":"CVSS (FIRST)"}],"ssvc":{"automatable":"yes","exploitation":"none","technical_impact":"partial"},"state":"PUBLISHED","updated":"2026-05-28","vendors":["Microsoft"]},"summary":"Attackers can cause a denial of service in ASP.NET Core and Visual Studio by exploiting a vulnerability in the framework.","url":"https://insights.sbomify.com/CVE-2021-1723/"}