CVE-2025-21171: .NET Remote Code Execution Vulnerability
First published: Tue Jan 14 2025(Updated: )
.NET Remote Code Execution Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/Microsoft.NetCore.App.Runtime.win-x86 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.win-x64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.win-arm64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.win-arm | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.osx-x64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.osx-arm64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.linux-x64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.linux-musl-x64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.linux-musl-arm | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.linux-arm64 | >=9.0.0<9.0.1 | 9.0.1 |
| nuget/Microsoft.NetCore.App.Runtime.linux-arm | >=9.0.0<9.0.1 | 9.0.1 |
| Microsoft PowerShell 7.5 | ||
| Microsoft PowerShell 7.5 | ||
| Microsoft PowerShell 7.5 | ||
| Microsoft .NET 9.0 | ||
| Microsoft .NET 9.0 | ||
| Microsoft .NET 9.0 | ||
| Visual Studio Community 2022 | =17.10 | |
| Visual Studio Community 2022 | =17.12 | |
| Visual Studio Community 2022 | =17.6 | |
| Visual Studio Community 2022 | =17.8 | |
| All of | ||
| Any of | ||
| Microsoft .NET Framework | =9.0.0 | |
| Windows PowerShell | =7.5.0 | |
| Any of | ||
| macOS | ||
| Linux Kernel | ||
| Microsoft Windows Operating System | ||
| Visual Studio Community 2022 | >=17.6.0<17.6.22 | |
| Visual Studio Community 2022 | >=17.8.0<17.8.17 | |
| Visual Studio Community 2022 | >=17.10.0<17.10.10 | |
| Visual Studio Community 2022 | >=17.12.0<17.12.4 |
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171 (Advisory)
- https://github.com/dotnet/runtime/security/advisories/GHSA-p54p-p3qm-8vgj
- https://nvd.nist.gov/vuln/detail/CVE-2025-21171
- https://github.com/advisories/GHSA-p54p-p3qm-8vgj (Advisory)
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-21171
- https://launchpad.net/bugs/cve/CVE-2025-21171
- https://security-tracker.debian.org/tracker/CVE-2025-21171
- https://ubuntu.com/security/CVE-2025-21171
- https://access.redhat.com/errata/RHSA-2025:0382
- https://bugzilla.redhat.com/show_bug.cgi?id=2337958
Frequently Asked Questions
What is the severity of CVE-2025-21171?
CVE-2025-21171 is classified as a remote code execution vulnerability that can lead to significant security risks.
How do I fix CVE-2025-21171?
To resolve CVE-2025-21171, you should update to the latest patched version of Visual Studio 2022 or .NET 9.0 depending on your installation.
Which versions are affected by CVE-2025-21171?
CVE-2025-21171 affects specific versions of Visual Studio 2022 (17.6, 17.10, 17.12, 17.8) and .NET 9.0 on Windows, Mac, and Linux.
What are the potential impacts of CVE-2025-21171?
Exploitation of CVE-2025-21171 may allow an attacker to execute arbitrary code on the affected system.
Is there a workaround for CVE-2025-21171?
There are currently no specific workarounds for CVE-2025-21171; applying the latest security updates is recommended.
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