Microsoft Identity Denial of service vulnerability
Priority LOW 35CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- 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 · CNA. Fix status from CNA, GitHub, Red Hat and Microsoft. Impact type from Microsoft.
Summary
Microsoft Identity Denial of service vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02892 86th percentileScored 2026-11-07
Fix Fixed System.IdentityModel.Tokens.Jwt (NuGet): 5.7.0, 6.34.0, 7.1.2Microsoft.IdentityModel.JsonWebTokens (NuGet): 5.7.0, 6.34.0, 7.1.2Red Hat: 7 advisoriesMicrosoft: 3 updates
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
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 6.0.26 | 6.0.26 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.2 | 17.2.0 to before 17.2.23 | 17.2.23 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 to before 17.6.11 | 17.6.11 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.4 | 17.4.0 to before 17.4.15 | 17.4.15 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 to before 17.8.4 | 17.8.4 | Patch available | CNA |
| Microsoft | .NET 7.0 | 7.0.0 to before 7.0.15 | 7.0.15 | Patch available | CNA |
| Microsoft | .NET 8.0 | 8.0 to before 8.0.1 | 8.0.1 | Patch available | CNA |
| Microsoft | Microsoft Identity Model v6.0.0 forNuget | 6.0 to before 6.34.0 | 6.34.0 | Patch available | CNA |
| Microsoft | Microsoft Identity Model v7.0.0 for Nuget | 7.0 to before 7.1.2 | 7.1.2 | Patch available | CNA |
| Microsoft | Microsoft Identity Model v6.0.0 | 6.0 to before 6.34.0 | 6.34.0 | Patch available | CNA |
| Microsoft | Microsoft Identity Model v5.0.0 | 5.0 to before 5.7.0 | 5.7.0 | Patch available | CNA |
| Microsoft | Microsoft Identity Model v7.0.0 | 7.0 to before 7.1.2 | 7.1.2 | Patch available | CNA |
| Microsoft | Microsoft Identity Model v5.0.0 for Nuget | 5.0 to before 5.7.0 | 5.7.0 | Patch available | CNA |
| — | System.IdentityModel.Tokens.Jwt (NuGet) | before 5.7.0 | 5.7.0 | Patch available | GHSA-59j7-ghrg-fj52 |
| — | System.IdentityModel.Tokens.Jwt (NuGet) | 6.5.0 to before 6.34.0 | 6.34.0 | Patch available | GHSA-59j7-ghrg-fj52 |
| — | System.IdentityModel.Tokens.Jwt (NuGet) | 7.0.0-preview to before 7.1.2 | 7.1.2 | Patch available | GHSA-59j7-ghrg-fj52 |
| — | Microsoft.IdentityModel.JsonWebTokens (NuGet) | before 5.7.0 | 5.7.0 | Patch available | GHSA-59j7-ghrg-fj52 |
| — | Microsoft.IdentityModel.JsonWebTokens (NuGet) | 6.5.0 to before 6.34.0 | 6.34.0 | Patch available | GHSA-59j7-ghrg-fj52 |
| — | Microsoft.IdentityModel.JsonWebTokens (NuGet) | 7.0.0-preview to before 7.1.2 | 7.1.2 | Patch available | GHSA-59j7-ghrg-fj52 |
- .NET 6.0 VendorMicrosoft Affected 6.0.0 to before 6.0.26 Fixed in 6.0.26 Patch available CNA
- Microsoft Visual Studio 2022 version 17.2 VendorMicrosoft Affected 17.2.0 to before 17.2.23 Fixed in 17.2.23 Patch available CNA
- Microsoft Visual Studio 2022 version 17.6 VendorMicrosoft Affected 17.6.0 to before 17.6.11 Fixed in 17.6.11 Patch available CNA
- Microsoft Visual Studio 2022 version 17.4 VendorMicrosoft Affected 17.4.0 to before 17.4.15 Fixed in 17.4.15 Patch available CNA
- Microsoft Visual Studio 2022 version 17.8 VendorMicrosoft Affected 17.8.0 to before 17.8.4 Fixed in 17.8.4 Patch available CNA
- .NET 7.0 VendorMicrosoft Affected 7.0.0 to before 7.0.15 Fixed in 7.0.15 Patch available CNA
- .NET 8.0 VendorMicrosoft Affected 8.0 to before 8.0.1 Fixed in 8.0.1 Patch available CNA
- Microsoft Identity Model v6.0.0 forNuget VendorMicrosoft Affected 6.0 to before 6.34.0 Fixed in 6.34.0 Patch available CNA
- Microsoft Identity Model v7.0.0 for Nuget VendorMicrosoft Affected 7.0 to before 7.1.2 Fixed in 7.1.2 Patch available CNA
- Microsoft Identity Model v6.0.0 VendorMicrosoft Affected 6.0 to before 6.34.0 Fixed in 6.34.0 Patch available CNA
- Microsoft Identity Model v5.0.0 VendorMicrosoft Affected 5.0 to before 5.7.0 Fixed in 5.7.0 Patch available CNA
- Microsoft Identity Model v7.0.0 VendorMicrosoft Affected 7.0 to before 7.1.2 Fixed in 7.1.2 Patch available CNA
- Microsoft Identity Model v5.0.0 for Nuget VendorMicrosoft Affected 5.0 to before 5.7.0 Fixed in 5.7.0 Patch available CNA
- System.IdentityModel.Tokens.Jwt (NuGet) Vendor— Affected before 5.7.0 Fixed in 5.7.0 Patch available GHSA-59j7-ghrg-fj52
- System.IdentityModel.Tokens.Jwt (NuGet) Vendor— Affected 6.5.0 to before 6.34.0 Fixed in 6.34.0 Patch available GHSA-59j7-ghrg-fj52
- System.IdentityModel.Tokens.Jwt (NuGet) Vendor— Affected 7.0.0-preview to before 7.1.2 Fixed in 7.1.2 Patch available GHSA-59j7-ghrg-fj52
- Microsoft.IdentityModel.JsonWebTokens (NuGet) Vendor— Affected before 5.7.0 Fixed in 5.7.0 Patch available GHSA-59j7-ghrg-fj52
- Microsoft.IdentityModel.JsonWebTokens (NuGet) Vendor— Affected 6.5.0 to before 6.34.0 Fixed in 6.34.0 Patch available GHSA-59j7-ghrg-fj52
- Microsoft.IdentityModel.JsonWebTokens (NuGet) Vendor— Affected 7.0.0-preview to before 7.1.2 Fixed in 7.1.2 Patch available GHSA-59j7-ghrg-fj52
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* | 6.0.0 to before 6.0.26; 7.0.0 to before 7.0.15; 8.0.0 to before 8.0.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:identity_model:*:*:*:*:*:.net:*:* | 5.0.0 to before 5.7.0; 6.0.0 to before 6.34.0; 7.0.0 to before 7.1.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* | 17.2.0 to before 17.2.23; 17.4.0 to before 17.4.15; 17.6.0 to before 17.6.11; 17.8.0 to before 17.8.4 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* Versions 6.0.0 to before 6.0.26; 7.0.0 to before 7.0.15; 8.0.0 to before 8.0.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:identity_model:*:*:*:*:*:.net:*:* Versions 5.0.0 to before 5.7.0; 6.0.0 to before 6.34.0; 7.0.0 to before 7.1.2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.2.0 to before 17.2.23; 17.4.0 to before 17.4.15; 17.6.0 to before 17.6.11; 17.8.0 to before 17.8.4 Vulnerable ·Microsoft
Remediation
- Fix · GHSA-59j7-ghrg-fj52 System.IdentityModel.Tokens.Jwt (NuGet) Fixed in 5.7.0 Advisory →
- Fix · GHSA-59j7-ghrg-fj52 System.IdentityModel.Tokens.Jwt (NuGet) Fixed in 6.34.0 Advisory →
- Fix · GHSA-59j7-ghrg-fj52 System.IdentityModel.Tokens.Jwt (NuGet) Fixed in 7.1.2 Advisory →
- Fix · GHSA-59j7-ghrg-fj52 Microsoft.IdentityModel.JsonWebTokens (NuGet) Fixed in 5.7.0 Advisory →
- Fix · GHSA-59j7-ghrg-fj52 Microsoft.IdentityModel.JsonWebTokens (NuGet) Fixed in 6.34.0 Advisory →
- Fix · GHSA-59j7-ghrg-fj52 Microsoft.IdentityModel.JsonWebTokens (NuGet) Fixed in 7.1.2 Advisory →
Red Hat 7 advisories
- RHSA-2024:0255 Released 2024-01-15 · Red Hat rating Important.NET 6.0 security, bug fix, and enhancement update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.26-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.26-1.el7_9, rh-dotnet60-dotnet-6.0.126-1.el7_9 +9
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.26-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.26-1.el7_9, rh-dotnet60-dotnet-6.0.126-1.el7_9 +9
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet60-aspnetcore-runtime-6.0-6.0.26-1.el7_9, rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.26-1.el7_9, rh-dotnet60-dotnet-6.0.126-1.el7_9 +9
- RHSA-2024:0157 Released 2024-01-10 · Red Hat rating Important.NET 7.0 security update
- Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-7.0-source-built-artifacts-7.0.115-1.el8_9
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-7.0-7.0.15-1.el8_9, aspnetcore-targeting-pack-7.0-7.0.15-1.el8_9, dotnet-apphost-pack-7.0-7.0.15-1.el8_9 +6
- RHSA-2024:0158 Released 2024-01-10 · Red Hat rating Important.NET 6.0 security update
- Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-6.0-source-built-artifacts-6.0.126-1.el8_9
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-6.0-6.0.26-1.el8_9, aspnetcore-targeting-pack-6.0-6.0.26-1.el8_9, dotnet-apphost-pack-6.0-6.0.26-1.el8_9 +6
Show 4 more Red Hat advisories
- RHSA-2024:0156 Released 2024-01-10 · Red Hat rating Important.NET 6.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-6.0-source-built-artifacts-6.0.126-1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-6.0-6.0.26-1.el9_3, aspnetcore-targeting-pack-6.0-6.0.26-1.el9_3, dotnet-apphost-pack-6.0-6.0.26-1.el9_3 +6
- RHSA-2024:0150 Released 2024-01-10 · Red Hat rating Important.NET 8.0 security update
- Red Hat CodeReady Linux Builder (v. 8) dotnet-sdk-8.0-source-built-artifacts-8.0.101-1.el8_9
- Red Hat Enterprise Linux AppStream (v. 8) aspnetcore-runtime-8.0-8.0.1-1.el8_9, aspnetcore-targeting-pack-8.0-8.0.1-1.el8_9, dotnet-8.0.101-1.el8_9 +9
- RHSA-2024:0152 Released 2024-01-10 · Red Hat rating Important.NET 8.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-8.0-source-built-artifacts-8.0.101-1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-8.0-8.0.1-1.el9_3, aspnetcore-targeting-pack-8.0-8.0.1-1.el9_3, dotnet-apphost-pack-8.0-8.0.1-1.el9_3 +8
- RHSA-2024:0151 Released 2024-01-10 · Red Hat rating Important.NET 7.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-7.0-source-built-artifacts-7.0.115-1.el9_3
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-7.0-7.0.15-1.el9_3, aspnetcore-targeting-pack-7.0-7.0.15-1.el9_3, dotnet-apphost-pack-7.0-7.0.15-1.el9_3 +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-2024:0255 |
| .NET Core on Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2024:0255 |
| .NET Core on Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2024:0255 |
| Red Hat CodeReady Linux Builder (v. 8) | Fixed | RHSA-2024:0150, RHSA-2024:0157, RHSA-2024:0158 |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:0151, RHSA-2024:0152, RHSA-2024:0156 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2024:0150, RHSA-2024:0157, RHSA-2024:0158 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:0151, RHSA-2024:0152, RHSA-2024:0156 |
Microsoft
Microsoft's page for this CVE →
- Impact
- Denial of Service
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| Microsoft Identity Model v5.0.0 | Fixed | 5.7.0 · Security Update |
| Microsoft Identity Model v5.0.0 for Nuget | Fixed | 5.7.0 · Security Update |
| Microsoft Identity Model v6.0.0 | Fixed | 6.34.0 · Security Update |
| Microsoft Identity Model v6.0.0 for Nuget | Fixed | 6.34.0 · Security Update |
| Microsoft Identity Model v7.0.0 | Fixed | 7.1.2 · Security Update |
| Microsoft Identity Model v7.0.0 for Nuget | Fixed | 7.1.2 · Security Update |
| Microsoft Visual Studio 2022 version 17.2 | Fixed | 17.2.23 · Security Update |
| Microsoft Visual Studio 2022 version 17.4 | Fixed | 17.4.15 · Security Update |
| Microsoft Visual Studio 2022 version 17.6 | Fixed | 17.6.11 · Security Update |
| Microsoft Visual Studio 2022 version 17.8 | Fixed | 17.8.4 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-21319
- 2026-10-03 Alias added: GHSA-59j7-ghrg-fj52
References
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Sources
- CVE-2024-21319 · CVE Program
- CVE-2024-21319 · NVD
- FIRST EPSS
- GHSA-59j7-ghrg-fj52 · GitHub Advisory Database · CC BY 4.0
- CVE-2024-21319 · Microsoft Security Update Guide
- CVE-2024-21319 · Red Hat security data · CC BY 4.0
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