ASP.NET Core Security Feature Bypass Vulnerability
Priority MEDIUM 63Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub, Red Hat and Microsoft. Impact type from Microsoft.
Summary
ASP.NET Core Security Feature Bypass Vulnerability
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01077 65th percentileScored 2026-11-07
Fix Fixed Microsoft.AspNetCore.Components (NuGet): 8.0.0, 7.0.14, 6.0.25Red Hat: 7 advisoriesMicrosoft: 2 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | .NET 6.0 | 6.0.0 to before 6.0.25 | 6.0.25 | Patch available | CNA |
| Microsoft | ASP.NET Core 6.0 | 6.0 to before 6.0.25 | 6.0.25 | Patch available | CNA |
| Microsoft | .NET 7.0 | 7.0.0 to before 7.0.14 | 7.0.14 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.2 | 17.2.0 to before 17.2.22 | 17.2.22 | Patch available | CNA |
| Microsoft | .NET 8.0 | 8.0 to before 8.0.0 | 8.0.0 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.4 | 17.4.0 to before 17.4.14 | 17.4.14 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 to before 17.6.10 | 17.6.10 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.7 | 17.7.0 to before 17.7.7 | 17.7.7 | Patch available | CNA |
| Microsoft | ASP.NET Core 7.0 | 7.0.0 to before 7.0.14 | 7.0.14 | Patch available | CNA |
| Microsoft | ASP.NET Core 8.0 | 8.0 to before 8.0.0 | 8.0.0 | Patch available | CNA |
| — | Microsoft.AspNetCore.Components (NuGet) | 8.0.0-rc.2.23480.2 to before 8.0.0 | 8.0.0 | Patch available | GHSA-3fx3-85r4-8j3w |
| — | Microsoft.AspNetCore.Components (NuGet) | 7.0.0 to before 7.0.14 | 7.0.14 | Patch available | GHSA-3fx3-85r4-8j3w |
| — | Microsoft.AspNetCore.Components (NuGet) | 6.0.0 to before 6.0.25 | 6.0.25 | Patch available | GHSA-3fx3-85r4-8j3w |
- .NET 6.0 VendorMicrosoft Affected 6.0.0 to before 6.0.25 Fixed in 6.0.25 Patch available CNA
- ASP.NET Core 6.0 VendorMicrosoft Affected 6.0 to before 6.0.25 Fixed in 6.0.25 Patch available CNA
- .NET 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.14 Fixed in 7.0.14 Patch available CNA
- Microsoft Visual Studio 2022 version 17.2 VendorMicrosoft Affected 17.2.0 to before 17.2.22 Fixed in 17.2.22 Patch available CNA
- .NET 8.0 VendorMicrosoft Affected 8.0 to before 8.0.0 Fixed in 8.0.0 Patch available CNA
- Microsoft Visual Studio 2022 version 17.4 VendorMicrosoft Affected 17.4.0 to before 17.4.14 Fixed in 17.4.14 Patch available CNA
- Microsoft Visual Studio 2022 version 17.6 VendorMicrosoft Affected 17.6.0 to before 17.6.10 Fixed in 17.6.10 Patch available CNA
- Microsoft Visual Studio 2022 version 17.7 VendorMicrosoft Affected 17.7.0 to before 17.7.7 Fixed in 17.7.7 Patch available CNA
- ASP.NET Core 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.14 Fixed in 7.0.14 Patch available CNA
- ASP.NET Core 8.0 VendorMicrosoft Affected 8.0 to before 8.0.0 Fixed in 8.0.0 Patch available CNA
- Microsoft.AspNetCore.Components (NuGet) Vendor— Affected 8.0.0-rc.2.23480.2 to before 8.0.0 Fixed in 8.0.0 Patch available GHSA-3fx3-85r4-8j3w
- Microsoft.AspNetCore.Components (NuGet) Vendor— Affected 7.0.0 to before 7.0.14 Fixed in 7.0.14 Patch available GHSA-3fx3-85r4-8j3w
- Microsoft.AspNetCore.Components (NuGet) Vendor— Affected 6.0.0 to before 6.0.25 Fixed in 6.0.25 Patch available GHSA-3fx3-85r4-8j3w
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* | 6.0.0 to before 6.0.25; 7.0.0 to before 7.0.14 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:8.0.0:rc1:*:*:*:*:*:* | 8.0.0 rc1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net:8.0.0:rc2:*:*:*:*:*:* | 8.0.0 rc2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:* | 6.0.0 to before 6.0.25; 7.0.0 to before 7.0.14 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:asp.net_core:8.0.0:-:*:*:*:*:*:* | 8.0.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* | 17.2 to before 17.2.22; 17.4 to before 17.4.14; 17.6 to before 17.6.10; 17.7 to before 17.7.7 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 6.0.0 to before 6.0.25; 7.0.0 to before 7.0.14 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:8.0.0:rc1:*:*:*:*:*:* Versions 8.0.0 rc1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net:8.0.0:rc2:*:*:*:*:*:* Versions 8.0.0 rc2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:* Versions 6.0.0 to before 6.0.25; 7.0.0 to before 7.0.14 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:asp.net_core:8.0.0:-:*:*:*:*:*:* Versions 8.0.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.2 to before 17.2.22; 17.4 to before 17.4.14; 17.6 to before 17.6.10; 17.7 to before 17.7.7 Vulnerable ·Microsoft
Remediation
- Fix · GHSA-3fx3-85r4-8j3w Microsoft.AspNetCore.Components (NuGet) Fixed in 8.0.0 Advisory →
- Fix · GHSA-3fx3-85r4-8j3w Microsoft.AspNetCore.Components (NuGet) Fixed in 7.0.14 Advisory →
- Fix · GHSA-3fx3-85r4-8j3w Microsoft.AspNetCore.Components (NuGet) Fixed in 6.0.25 Advisory →
Red Hat 7 advisories
- RHSA-2023:7259 Released 2023-11-15 · Red Hat rating Moderate.NET 6.0 security, bug fix, and enhancement update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.25-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.25-1.el7_9, rh-dotnet60-dotnet-6.0.125-1.el7_9 +9
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.25-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.25-1.el7_9, rh-dotnet60-dotnet-6.0.125-1.el7_9 +9
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.25-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.25-1.el7_9, rh-dotnet60-dotnet-6.0.125-1.el7_9 +9
- RHSA-2023:7253 Released 2023-11-15 · Red Hat rating Moderatedotnet8.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-8.0-source-built-artifacts-8.0.100-2.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-8.0-8.0.0-2.el9_3, aspnetcore-targeting-pack-8.0-8.0.0-2.el9_3, dotnet-apphost-pack-8.0-8.0.0-2.el9_3 +8
- RHSA-2023:7255 Released 2023-11-15 · Red Hat rating Moderatedotnet7.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-7.0-source-built-artifacts-7.0.114-1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-7.0-7.0.14-1.el9_3, aspnetcore-targeting-pack-7.0-7.0.14-1.el9_3, dotnet-apphost-pack-7.0-7.0.14-1.el9_3 +6
Show 4 more Red Hat advisories
- RHSA-2023:7258 Released 2023-11-15 · Red Hat rating Moderatedotnet6.0 security update
- Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-6.0-source-built-artifacts-6.0.125-1.el8_9
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-6.0-6.0.25-1.el8_9, aspnetcore-targeting-pack-6.0-6.0.25-1.el8_9, dotnet-apphost-pack-6.0-6.0.25-1.el8_9 +6
- RHSA-2023:7254 Released 2023-11-15 · Red Hat rating Moderatedotnet8.0 security update
- Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-8.0-source-built-artifacts-8.0.100-2.el8_9
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-8.0-8.0.0-2.el8_9, aspnetcore-targeting-pack-8.0-8.0.0-2.el8_9, dotnet-8.0.100-2.el8_9 +9
- RHSA-2023:7257 Released 2023-11-15 · Red Hat rating Moderatedotnet6.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-6.0-source-built-artifacts-6.0.125-1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-6.0-6.0.25-1.el9_3, aspnetcore-targeting-pack-6.0-6.0.25-1.el9_3, dotnet-apphost-pack-6.0-6.0.25-1.el9_3 +6
- RHSA-2023:7256 Released 2023-11-15 · Red Hat rating Moderatedotnet7.0 security update
- Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-7.0-source-built-artifacts-7.0.114-1.el8_9
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-7.0-7.0.14-1.el8_9, aspnetcore-targeting-pack-7.0-7.0.14-1.el8_9, dotnet-apphost-pack-7.0-7.0.14-1.el8_9 +6
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) | Fixed | RHSA-2023:7259 |
| .NET Core on Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2023:7259 |
| .NET Core on Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2023:7259 |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2023:7254, RHSA-2023:7256, RHSA-2023:7258 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2023:7253, RHSA-2023:7255, RHSA-2023:7257 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2023:7254, RHSA-2023:7256, RHSA-2023:7258 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:7253, RHSA-2023:7255, RHSA-2023:7257 |
Microsoft
Microsoft's page for this CVE →
- Impact
- Security Feature Bypass
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| .NET 8.0 | Fixed | 8.0.0 · Security Update |
| ASP.NET Core 6.0 | Fixed | 6.0.25 · Security Update |
| ASP.NET Core 7.0 | Fixed | 7.0.14 · Security Update |
| ASP.NET Core 8.0 | Fixed | 8.0.0 · Security Update |
| Microsoft Visual Studio 2022 version 17.2 | Fixed | 17.2.22 · Security Update |
| Microsoft Visual Studio 2022 version 17.4 | Fixed | 17.4.14 · Security Update |
| Microsoft Visual Studio 2022 version 17.6 | Fixed | 17.6.10 · Security Update |
| Microsoft Visual Studio 2022 version 17.7 | Fixed | 17.7.7 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2023-36558
- 2026-10-03 Alias added: GHSA-3fx3-85r4-8j3w
References
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Sources
- CVE-2023-36558 · CVE Program
- CVE-2023-36558 · NVD
- FIRST EPSS
- GHSA-3fx3-85r4-8j3w · GitHub Advisory Database · CC BY 4.0
- CVE-2023-36558 · Microsoft Security Update Guide
- CVE-2023-36558 · Red Hat security data · CC BY 4.0
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