Improper input validation in Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7
Priority MEDIUM 45CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA, GitHub and Red Hat.
Summary
Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 allow an attacker to send specially crafted requests to a .NET web application, resulting in denial of service, aka .NET Denial of Service Vulnerability.
Why it matters now
EPSS 0.095 95th percentileScored 2026-11-07
Fix Fixed Microsoft.NETCore.App (NuGet): 1.0.7, 1.1.4Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 | Microsoft .NET Framework | — | No fix listed | CNA |
| — | Microsoft.NETCore.App (NuGet) | 1.0.0 to before 1.0.7 | 1.0.7 | Patch available | GHSA-8884-xcr4-r68p |
| — | Microsoft.NETCore.App (NuGet) | 1.1.0 to before 1.1.4 | 1.1.4 | Patch available | GHSA-8884-xcr4-r68p |
- Microsoft .NET Framework 4.6, 4.6.1, 4.6.2, and 4.7 VendorMicrosoft Affected Microsoft .NET Framework Fixed in — No fix listed CNA
- Microsoft.NETCore.App (NuGet) Vendor— Affected 1.0.0 to before 1.0.7 Fixed in 1.0.7 Patch available GHSA-8884-xcr4-r68p
- Microsoft.NETCore.App (NuGet) Vendor— Affected 1.1.0 to before 1.1.4 Fixed in 1.1.4 Patch available GHSA-8884-xcr4-r68p
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* | 4.6 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* | 4.6.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* | 4.6.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* | 4.7 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* Versions 4.6 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* Versions 4.6.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:* Versions 4.6.2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:* Versions 4.7 Vulnerable ·Microsoft
Remediation
- Fix · GHSA-8884-xcr4-r68p Microsoft.NETCore.App (NuGet) Fixed in 1.0.7 Advisory →
- Fix · GHSA-8884-xcr4-r68p Microsoft.NETCore.App (NuGet) Fixed in 1.1.4 Advisory →
Red Hat 1 advisory
- RHSA-2017:3248 Released 2017-11-20 · Red Hat rating Low.NET Core security update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet20-dotnet-2.0.3-4.el7, rh-dotnet20-dotnet-host-2.0.3-4.el7, rh-dotnet20-dotnet-runtime-2.0-2.0.3-4.el7 +3
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet20-dotnet-2.0.3-4.el7, rh-dotnet20-dotnet-host-2.0.3-4.el7, rh-dotnet20-dotnet-runtime-2.0-2.0.3-4.el7 +3
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet20-dotnet-2.0.3-4.el7, rh-dotnet20-dotnet-host-2.0.3-4.el7, rh-dotnet20-dotnet-runtime-2.0-2.0.3-4.el7 +3
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2017:3248 |
| .NET Core on Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2017:3248 |
| .NET Core on Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2017:3248 |
Timeline
- 2026-10-02 Threatist record created from CVE-2017-8585
- 2026-10-03 Alias added: GHSA-8884-xcr4-r68p
References
More Microsoft .net Framework vulnerabilities
- TI-2020-00622 XML injection in Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 KEVCVSS 3.1CRITICAL 9.8
- TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
- TI-2017-06273 Code injection in Microsoft .NET Framework KEVCVSS 3.1HIGH 7.8
- TI-2015-01495 The Windows DirectWrite library, as used in Microsoft .NET Framework 3.0 SP2, 3.5, 3.5.1… KEVCVSS 3.1HIGH 7.8
- TI-2024-19239 .NET Framework Information Disclosure Vulnerability KEVCVSS 3.1HIGH 7.5
- TI-2023-18684 ASP.NET Elevation of Privilege Vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2017-8585 · CVE Program
- CVE-2017-8585 · NVD
- FIRST EPSS
- GHSA-8884-xcr4-r68p · GitHub Advisory Database · CC BY 4.0
- CVE-2017-8585 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences