CVE-2023-33141
highpriority · track · 1EPSS 0.022 · 83 %ileDEEURUUSEPSS · scored 2026-10-27
Yet Another Reverse Proxy (YARP) Denial of Service Vulnerability
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- FixedYARP 1.0msrc_csaf
1.1.2:Security Update:https://github.com/microsoft/reverse-proxy/security/advisories/GHSA-jrjw-qgr2-wfcg
https://github.com/microsoft/reverse-proxy/security/advisories/GHSA-jrjw-qgr2-wfcg - FixedYARP 2.0msrc_csaf
2.0.1:Security Update:https://github.com/microsoft/reverse-proxy/security/advisories/GHSA-jrjw-qgr2-wfcg
https://github.com/microsoft/reverse-proxy/security/advisories/GHSA-jrjw-qgr2-wfcg
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (42)
Products and version ranges known to be affected.
- Hitachi Storage Virtual Storage Platformall versionscert_bundDEcpe:/h:hitachi:storage:virtual_storage_platform
- Microsoft Azure DevOps Server 2020.1.2all versionscert_bundDEcpe:/o:microsoft:azure_devops_server:2020.1.2:-
- Microsoft Visual Studio 2013 Update 5all versionscert_bundDEcpe:/a:microsoft:visual_studio_2013:update_5
- Microsoft Visual Studio 2015 Update 3all versionscert_bundDEcpe:/a:microsoft:visual_studio_2015:update_3
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2023-1446Microsoft Developer Tools: Mehrere SchwachstellenDeutsch2023-06-13csaf · cert_bundDE
Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Microsoft .NET Framework, Microsoft Azure DevOps Server, Microsoft NuGet, Microsoft Visual Studio und Microsoft Visual Studio Code ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Rechte zu erweitern und Daten zu manipulieren.
- msrc_CVE-2023-33141Yet Another Reverse Proxy (YARP) Denial of Service Vulnerability2023-06-13csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
- GHSA-jrjw-qgr2-wfcgYARP Denial of Service Vulnerability2023-06-23ghsa · osvUS
### Impact A denial of service vulnerability exists in YARP. ### Patches If you're using YARP 1.x, you should update to NuGet package version [1.1.2](https://www.nuget.org/packages/Yarp.ReverseProxy/1.1.2). If you're using YARP 2.0.0, you should update to NuGet package version [2.0.1](https://www.nuget.org/packages/Yarp.ReverseProxy/2.0.1). You can do so by updating the `PackageReference` in your `.csproj` file ```diff <ItemGroup> - <PackageReference Include="Yarp.ReverseProxy" Version="2.0.0" /> - <PackageReference Include="Yarp.Telemetry.Consumption" Version="2.0.0" /> + <PackageReference Include="Yarp.ReverseProxy" Version="2.0.1" /> + <PackageReference Include="Yarp.Telemetry.Consumption" Version="2.0.1" /> </ItemGroup> ``` or by selecting `2.0.1` in the NuGet UI inside Visual Studio (`Manage NuGet Packages` / `Updates`) ### References [CVE-2023-33141](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-33141)
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (4)
External citations — patches, advisories, analysis.
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