.NET and Visual Studio Denial of Service Vulnerability
Priority MEDIUM 44CWE-409Published · 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
- Partial Red Hat: 2 fixed, 1 without a fix
Attack profile from CVSS 3.1 · CNA. Fix status from CNA, GitHub and Red Hat. Impact type from Microsoft.
Summary
.NET and Visual Studio Denial of Service Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.02595 85th percentileScored 2026-11-07
Fix Partial Microsoft Visual Studio 2022 version 17.6 (Microsoft): 17.6.21Microsoft Visual Studio 2022 version 17.10 (Microsoft): 17.10.9+5 more productsRed Hat: 1 advisoryRed Hat: 2 fixed, 1 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- 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 | Microsoft Visual Studio 2022 version 17.6 | 17.6.0 to before 17.6.21 | 17.6.21 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.10 | 17.10 to before 17.10.9 | 17.10.9 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.8 | 17.8.0 to before 17.8.16 | 17.8.16 | Patch available | CNA |
| Microsoft | Microsoft Visual Studio 2022 version 17.11 | 17.11 to before 17.11.6 | 17.11.6 | Patch available | CNA |
| Microsoft | PowerShell 7.5 | 7.5.0 to before 7.5.0 | 7.5.0 | Patch available | CNA |
| Microsoft | .NET 9.0 | 9.0.0 to before 9.0.0 | 9.0.0 | Patch available | CNA |
| — | System.Formats.Nrbf (NuGet) | before 9.0.0 | 9.0.0 | Patch available | GHSA-6x36-qxmj-rv4p |
- Microsoft Visual Studio 2022 version 17.6 VendorMicrosoft Affected 17.6.0 to before 17.6.21 Fixed in 17.6.21 Patch available CNA
- Microsoft Visual Studio 2022 version 17.10 VendorMicrosoft Affected 17.10 to before 17.10.9 Fixed in 17.10.9 Patch available CNA
- Microsoft Visual Studio 2022 version 17.8 VendorMicrosoft Affected 17.8.0 to before 17.8.16 Fixed in 17.8.16 Patch available CNA
- Microsoft Visual Studio 2022 version 17.11 VendorMicrosoft Affected 17.11 to before 17.11.6 Fixed in 17.11.6 Patch available CNA
- PowerShell 7.5 VendorMicrosoft Affected 7.5.0 to before 7.5.0 Fixed in 7.5.0 Patch available CNA
- .NET 9.0 VendorMicrosoft Affected 9.0.0 to before 9.0.0 Fixed in 9.0.0 Patch available CNA
- System.Formats.Nrbf (NuGet) Vendor— Affected before 9.0.0 Fixed in 9.0.0 Patch available GHSA-6x36-qxmj-rv4p
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net:9.0.0:*:*:*:*:*:*:* | 9.0.0 | Vulnerable | Microsoft |
| cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Apple |
| cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Linux |
| cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* | 17.6 to before 17.6.21; 17.8 to before 17.8.16; 17.10.0 – 17.10.9; 17.11.0 to before 17.11.6 | Vulnerable | Microsoft |
- cpe:2.3:a:microsoft:.net:9.0.0:*:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Microsoft
- cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple
- cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux
- cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:* Versions 17.6 to before 17.6.21; 17.8 to before 17.8.16; 17.10.0 – 17.10.9; 17.11.0 to before 17.11.6 Vulnerable ·Microsoft
Remediation
- Fix · CNA Microsoft Visual Studio 2022 version 17.6 (Microsoft) Fixed in 17.6.21
- Fix · CNA Microsoft Visual Studio 2022 version 17.10 (Microsoft) Fixed in 17.10.9
- Fix · CNA Microsoft Visual Studio 2022 version 17.8 (Microsoft) Fixed in 17.8.16
- Fix · CNA Microsoft Visual Studio 2022 version 17.11 (Microsoft) Fixed in 17.11.6
- Fix · CNA PowerShell 7.5 (Microsoft) Fixed in 7.5.0
- Fix · CNA .NET 9.0 (Microsoft) Fixed in 9.0.0
- Fix · GHSA-6x36-qxmj-rv4p System.Formats.Nrbf (NuGet) Fixed in 9.0.0 Advisory →
Red Hat 1 advisory
- RHSA-2024:9543 Released 2024-11-13 · Red Hat rating Important.NET 9.0 security update
- Red Hat CodeReady Linux Builder (v. 9) dotnet-sdk-9.0-source-built-artifacts-9.0.100-1.el9_5
- Red Hat Enterprise Linux AppStream (v. 9) aspnetcore-runtime-9.0-9.0.0-1.el9_5, aspnetcore-runtime-dbg-9.0-9.0.0-1.el9_5, aspnetcore-targeting-pack-9.0-9.0.0-1.el9_5 +12
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix planned: Out of support scope |
| Red Hat CodeReady Linux Builder (v. 9) | Fixed | RHSA-2024:9543 |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2024:9543 |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
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 |
|---|---|---|
| .NET 9.0 installed on Linux | Fixed | 9.0.0 · Security Update |
| .NET 9.0 installed on Mac OS | Fixed | 9.0.0 · Security Update |
| .NET 9.0 installed on Windows | Fixed | 9.0.0 · Security Update |
| Microsoft Visual Studio 2022 version 17.10 | Fixed | 17.10.9 · Security Update |
| Microsoft Visual Studio 2022 version 17.11 | Fixed | 17.11.6 · Security Update |
| Microsoft Visual Studio 2022 version 17.6 | Fixed | 17.6.21 · Security Update |
| Microsoft Visual Studio 2022 version 17.8 | Fixed | 17.8.16 · Security Update |
| PowerShell 7.5 installed on Linux | Fixed | 7.5.0 · Security Update |
| PowerShell 7.5 installed on MacOS | Fixed | 7.5.0 · Security Update |
| PowerShell 7.5 installed on Windows | Fixed | 7.5.0 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2024-43499
- 2026-10-03 Alias added: GHSA-6x36-qxmj-rv4p
References
More Microsoft .net vulnerabilities
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- TI-2023-19588 Microsoft QUIC Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2024-14152 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
- TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
Sources
- CVE-2024-43499 · CVE Program
- CVE-2024-43499 · NVD
- FIRST EPSS
- GHSA-6x36-qxmj-rv4p · GitHub Advisory Database · CC BY 4.0
- CVE-2024-43499 · Microsoft Security Update Guide
- CVE-2024-43499 · 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