Remote code execution in ASP.NET Core
A remote code execution vulnerability exists in ASP.NET Core software when the software fails to handle objects in memory.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka 'ASP.NET Core Remote Code Execution Vulnerability'.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| .NET (NuGet) | Microsoft.AspNetCore.All | >= 2.1.0, < 2.1.15 | 2.1.15 |
| .NET (NuGet) | Microsoft.AspNetCore.App | >= 3.1.0, < 3.1.1, >= 3.0.0, < 3.0.1, >= 2.1.0, < 2.1.15 | 3.1.1, 3.0.1, 2.1.15 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-arm | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.osx-x64 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-arm | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-x64 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-x86 | >= 3.1.0, < 3.1.1 | 3.1.1 |
| .NET (NuGet) | Microsoft.AspNetCore.Http.Connections | >= 1.0.0, < 1.0.15 | 1.0.15 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-0603
- https://github.com/aspnet/Announcements/issues/403
- https://github.com/github/advisory-database/issues/302
- https://access.redhat.com/errata/RHSA-2020:0130
- https://access.redhat.com/errata/RHSA-2020:0134
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0603
- Weakness (CWE)
CWE-119- Platform
- .NET (NuGet)
- Package
Microsoft.AspNetCore.All, Microsoft.AspNetCore.App, Microsoft.AspNetCore.App.Runtime.linux-arm- Disclosed
- 24.05.2022
- Updated
- 11.10.2026 11:23
Sources and licenses
OSV / GitHub Advisory Database - GHSA-655q-9gvg-q4cm - CC BY 4.0
Vulnerability history: Microsoft.AspNetCore.All
All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 10
- First → latest
- 10.2018 05.2022
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 6
- Medium 4
Disclosures per year
- 2018: 4
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 6
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
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