Uncontrolled resource consumption in Microsoft ASP.NET Core
Priority MEDIUM 44CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA, GitHub and Red Hat. Impact type from CWE-400.
Summary
A denial of service vulnerability exists when ASP.NET Core improperly handles web requests, aka 'ASP.NET Core Denial of Service Vulnerability'.
Why it matters now
EPSS 0.08147 94th percentileScored 2026-11-07
Fix Fixed Microsoft.AspNetCore.All (NuGet): 2.1.15Microsoft.AspNetCore.App (NuGet): 3.1.1, 3.0.1, 2.1.15+9 more productsRed Hat: 2 advisories
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 | ASP.NET Core | 2.1; 3.0; 3.1 | — | No fix listed | CNA |
| — | Microsoft.AspNetCore.All (NuGet) | 2.1.0 to before 2.1.15 | 2.1.15 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App (NuGet) | 3.0.0 to before 3.0.1 | 3.0.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App (NuGet) | 2.1.0 to before 2.1.15 | 2.1.15 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.Http.Connections (NuGet) | 1.0.0 to before 1.0.15 | 1.0.15 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.win-arm (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
| — | Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) | 3.1.0 to before 3.1.1 | 3.1.1 | Patch available | GHSA-23cv-jh4v-vffm |
- ASP.NET Core VendorMicrosoft Affected 2.1; 3.0; 3.1 Fixed in — No fix listed CNA
- Microsoft.AspNetCore.All (NuGet) Vendor— Affected 2.1.0 to before 2.1.15 Fixed in 2.1.15 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App (NuGet) Vendor— Affected 3.0.0 to before 3.0.1 Fixed in 3.0.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App (NuGet) Vendor— Affected 2.1.0 to before 2.1.15 Fixed in 2.1.15 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.Http.Connections (NuGet) Vendor— Affected 1.0.0 to before 1.0.15 Fixed in 1.0.15 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.win-arm (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
- Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) Vendor— Affected 3.1.0 to before 3.1.1 Fixed in 3.1.1 Patch available GHSA-23cv-jh4v-vffm
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:3.0:*:*:*:*:*:*:* | 3.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:* | 3.1 | Vulnerable | Microsoft |
| cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* | 8.1 | Vulnerable | Red Hat |
- cpe:2.3:a:microsoft:asp.net_core:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:3.0:*:*:*:*:*:*:* Versions 3.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:3.1:*:*:*:*:*:*:* Versions 3.1 Vulnerable ·Microsoft
- cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:* Versions 8.1 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.All (NuGet) Fixed in 2.1.15 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App (NuGet) Fixed in 3.0.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App (NuGet) Fixed in 2.1.15 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.Http.Connections (NuGet) Fixed in 1.0.15 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.linux-arm (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.linux-arm64 (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.linux-musl-x64 (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.linux-x64 (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.osx-x64 (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.win-arm (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.win-x64 (NuGet) Fixed in 3.1.1 Advisory →
- Fix · GHSA-23cv-jh4v-vffm Microsoft.AspNetCore.App.Runtime.win-x86 (NuGet) Fixed in 3.1.1 Advisory →
Red Hat 2 advisories
- RHSA-2020:0134 Released 2020-01-16 · Red Hat rating Critical.NET Core on Red Hat Enterprise Linux security and bug fix update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7, rh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7, rh-dotnet30-dotnet-3.0.102-3.el7 +19
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7, rh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7, rh-dotnet30-dotnet-3.0.102-3.el7 +19
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet30-aspnetcore-runtime-3.0-3.0.2-3.el7, rh-dotnet30-aspnetcore-targeting-pack-3.0-3.0.2-3.el7, rh-dotnet30-dotnet-3.0.102-3.el7 +19
- RHSA-2020:0130 Released 2020-01-16 · Red Hat rating Critical.NET Core on Red Hat Enterprise Linux security and bug fix update
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-3.0-3.0.2-2.el8_1, aspnetcore-targeting-pack-3.0-3.0.2-2.el8_1, dotnet-3.0.102-2.el8_1 +9
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Advisory ·
Microsoft ASP.NET Core — RHSA-2020:0130
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2020-00580 Out-of-bounds write in Microsoft ASP.NET CorePriority MEDIUM 58
- Advisory ·
Microsoft ASP.NET Core — RHSA-2020:0134
2 records Highest priority Priority MEDIUM 2 MEDIUM
Other records, highest priority first
- TI-2020-00580 Out-of-bounds write in Microsoft ASP.NET CorePriority MEDIUM 58
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2020:0134 |
| .NET Core on Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2020:0134 |
| .NET Core on Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2020:0134 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2020:0130 |
Not affected: 3 products
- .NET Core 2.1 on Red Hat Enterprise Linux
- .NET Core 2.2 on Red Hat Enterprise Linux
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2020-0602
- 2026-10-03 Alias added: GHSA-23cv-jh4v-vffm
References
More Microsoft Asp.net Core vulnerabilities
- 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
Sources
- CVE-2020-0602 · CVE Program
- CVE-2020-0602 · NVD
- FIRST EPSS
- GHSA-23cv-jh4v-vffm · GitHub Advisory Database · CC BY 4.0
- CVE-2020-0602 · Red Hat security data · CC BY 4.0
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