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TI-2018-06099 Aliases CVE-2018-8416GHSA-5633-f33j-c6f7

A tampering vulnerability exists when .NET Core improperly handles specially crafted…

Priority LOW 39Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.

Summary

A tampering vulnerability exists when .NET Core improperly handles specially crafted files, aka ".NET Core Tampering Vulnerability." This affects .NET Core 2.1.

Why it matters now

EPSS 0.07258 94th percentileScored 2026-11-07
Fix Fixed Microsoft.NETCore.App (NuGet): 2.1.7Red Hat: 1 advisory

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Microsoft.NET Core2.1—No fix listedCNA
—Microsoft.NETCore.App (NuGet)2.1.0 to before 2.1.72.1.7Patch availableGHSA-5633-f33j-c6f7
  • .NET Core VendorMicrosoft Affected 2.1 Fixed in — No fix listed CNA
  • Microsoft.NETCore.App (NuGet) Vendor— Affected 2.1.0 to before 2.1.7 Fixed in 2.1.7 Patch available GHSA-5633-f33j-c6f7

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:*2.1VulnerableMicrosoft
  • cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Microsoft

Remediation

  • Fix · GHSA-5633-f33j-c6f7 Microsoft.NETCore.App (NuGet) Fixed in 2.1.7 Advisory →

Red Hat 1 advisory

  • RHSA-2018:3676 Released 2018-11-27 · Red Hat rating Moderate
    .NET Core on Red Hat Enterprise Linux security update
    • .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet21-dotnet-2.1.500-5.el7, rh-dotnet21-dotnet-host-2.1.6-5.el7, rh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7 +2
    • .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet21-dotnet-2.1.500-5.el7, rh-dotnet21-dotnet-host-2.1.6-5.el7, rh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7 +2
    • .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet21-dotnet-2.1.500-5.el7, rh-dotnet21-dotnet-host-2.1.6-5.el7, rh-dotnet21-dotnet-runtime-2.1-2.1.6-5.el7 +2

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

ProductStatusPlan or fix
.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7)Fixed RHSA-2018:3676
.NET Core on Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:3676
.NET Core on Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:3676
Not affected: 4 products
  • .NET Core 1.0 on Red Hat Enterprise Linux
  • .NET Core 1.1 on Red Hat Enterprise Linux
  • .NET Core 2.0 on Red Hat Enterprise Linux
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-8416
  2. 2026-10-03 Alias added: GHSA-5633-f33j-c6f7

References

  • TI-2023-23979 The HTTP/2 protocol allows a denial of service (server resource consumption) because… KEVCVSS 3.1HIGH 7.5
  • TI-2023-19596 .NET and Visual Studio Denial of Service Vulnerability KEVCVSS 3.1HIGH 7.5
  • TI-2025-34970 ASP.NET Security Feature Bypass Vulnerability CVSS 3.1CRITICAL 9.9
  • TI-2024-14164 .NET Denial of Service Vulnerability CVSS 3.1HIGH 7.5
  • TI-2023-18092 ASP.NET Core Denial of Service Vulnerability CVSS 3.1HIGH 8.2
  • TI-2023-18392 ASP.NET Core Security Feature Bypass Vulnerability CVSS 3.1MEDIUM 6.2
See all 40 →

Sources