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High

Remote code execution in ASP.NET Core

  • Disclosed: 24.05.2022
  • Updated: 11.10.2026 11:23

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

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed 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

CVSS score -
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.App.Runtime.linux-x64

All published vulnerabilities of this package (.NET (NuGet)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (26) in the archive
Total entries
26
First → latest
05.2022 10.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 3
  • High 20
  • Medium 3

Disclosures per year

Severity:
  1. Remote code execution in ASP.NET Core this entry
    High CVE-2020-0603 >= 3.1.0, < 3.1.1 3.1.1
  2. Microsoft Security Advisory CVE-2026-70186 - ASP.NET Core Denial of Service Vulnerability
    High · 7.5 CVE-2026-70186 >= 8.0.0, < 8.0.32, >= 10.0.0, < 10.0.13, >= 9.0.0, < 9.0.21 8.0.32, 10.0.13, 9.0.21
  3. Microsoft Security Advisory CVE-2026-88092 - ASP.NET Core Security Feature Bypass Vulnerability
    Critical · 9.4 CVE-2026-88092 >= 8.0.0, < 8.0.32, >= 10.0.0, < 10.0.13, >= 11.0.0-preview.1, < 11.0.0-rc.2, >= 9.0.0, < 9.0.21 8.0.32, 10.0.13, 11.0.0-rc.2, 9.0.21
  4. Microsoft Security Advisory CVE-2026-56170 – .NET Denial of Service Vulnerability
    High · 7.5 CVE-2026-56170 >= 10.0.0, < 10.0.6, >= 9.0.0, < 9.0.15, >= 8.0.0, < 8.0.26 10.0.6, 9.0.15, 8.0.26
  5. Microsoft Security Advisory CVE-2026-45591 – ASP.NET Core Denial of Service Vulnerability
    High · 7.5 CVE-2026-45591 >= 8.0.0, < 8.0.28, >= 9.0.0, < 9.0.17, >= 10.0.0, < 10.0.9 8.0.28, 9.0.17, 10.0.9
  6. Microsoft Security Advisory CVE-2026-42899 – ASP.NET Core Denial of Service Vulnerability
    High · 7.5 CVE-2026-42899 >= 8.0.0, < 8.0.27, >= 9.0.0, < 9.0.16, >= 10.0.0, < 10.0.8 8.0.27, 9.0.16, 10.0.8
  7. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2026-26130 >= 8.0.0, < 8.0.25, >= 9.0.0, < 9.0.14, >= 10.0.0, < 10.0.4 8.0.25, 9.0.14, 10.0.4
  8. Microsoft Security Advisory CVE-2025-55315: .NET Security Feature Bypass Vulnerability
    Critical · 9.9 CVE-2025-55315 >= 10.0.0-rc.1.25451.107, < 10.0.0-rc.2.25502.107, >= 9.0.0, < 9.0.10, >= 8.0.0, < 8.0.21 10.0.0-rc.2.25502.107, 9.0.10, 8.0.21
  9. Microsoft Security Advisory CVE-2025-24070: .NET Elevation of Privilege Vulnerability
    High · 7.0 CVE-2025-24070 >= 9.0.0, < 9.0.3, >= 8.0.0, < 8.0.14, >= 6.0.0, <= 6.0.36 9.0.3, 8.0.14
  10. Microsoft Security Advisory CVE-2024-38229 | .NET Remote Code Execution Vulnerability
    High · 8.1 CVE-2024-38229 >= 9.0.0-preview.1.24081.5, < 9.0.0-rc.2.24474.3, >= 8.0.0, < 8.0.10 9.0.0-rc.2.24474.3, 8.0.10
  11. Microsoft Security Advisory CVE-2024-35264 | .NET Remote Code Execution Vulnerability
    Critical · 8.1 CVE-2024-35264 >= 8.0.0, < 8.0.7 8.0.7
  12. Microsoft Security Advisory CVE-2024-21386: .NET Denial of Service Vulnerability
    High · 7.5 CVE-2024-21386 < 6.0.27, >= 7.0.0, < 7.0.16, >= 8.0.0, < 8.0.2 6.0.27, 7.0.16, 8.0.2
  13. Microsoft Security Advisory CVE-2023-33170: .NET Security Feature Bypass Vulnerability
    High · 8.1 CVE-2023-33170 < 6.0.20, >= 7.0.0, < 7.0.9 6.0.20, 7.0.9
  14. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2022-23267 >= 3.0.0, < 3.1.25, >= 5.0.0, < 5.0.17, >= 6.0.0, < 6.0.5 3.1.25, 5.0.17, 6.0.5
  15. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2022-24464 >= 3.0.0, < 3.1.23, >= 5.0.0, < 5.0.15, >= 6.0.0, < 6.0.3 3.1.23, 5.0.15, 6.0.3
  16. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2022-21986 >= 5.0.0, < 5.0.14, >= 6.0.0, < 6.0.2 5.0.14, 6.0.2
  17. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2022-38013 >= 3.1.0, < 3.1.29, >= 5.0.0, < 6.0.9 3.1.29, 6.0.9
  18. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2022-29145 >= 3.0.0, < 3.1.25, >= 5.0.0, < 5.0.17, >= 6.0.0, < 6.0.5 3.1.25, 5.0.17, 6.0.5
  19. .NET Denial of Service Vulnerability
    High · 7.5 CVE-2022-29117 >= 3.0.0, < 3.1.25, >= 5.0.0, < 5.0.17, >= 6.0.0, < 6.0.5 3.1.25, 5.0.17, 6.0.5
  20. ASP.NET Core and Visual Studio Denial of Service Vulnerability
    High · 7.5 CVE-2021-1723 >= 3.1.0, < 3.1.11, >= 5.0.0, < 5.0.2 3.1.11, 5.0.2
  21. Cookie parsing failure
    High · 7.5 CVE-2020-1045 >= 3.1.0, < 3.1.8 3.1.8
Show more (2) Showing 21 of 23

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