Uncontrolled resource consumption in Microsoft .NET Framework 4.5.2
Priority MEDIUM 41CWE-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 .NET Framework and .NET Core improperly process RegEx strings, aka '.NET Framework and .NET Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0980, CVE-2019-0981.
Why it matters now
EPSS 0.05719 93rd percentileScored 2026-11-07
Fix Fixed System.Text.RegularExpressions (NuGet): 4.3.1Red 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 | Microsoft .NET Framework 4.5.2 | Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2012; Windows Server 2012 (Server Core installation); Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012 R2; Windows RT 8.1; Windows Server 2012 R2 (Server Core installation); Windows Server 2008 for 32-bit Systems Service Pack 2; Windows Server 2008 for x64-based Systems Service Pack 2 | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.6 | Windows Server 2008 for 32-bit Systems Service Pack 2; Windows Server 2008 for x64-based Systems Service Pack 2 | — | No fix listed | CNA |
| Microsoft | .NET Core | 1; 1.1; 2.1; 2.2 | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.7.2 | Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems; Windows Server, version 1803 (Server Core Installation); Windows 10 Version 1803 for ARM64-based Systems; Windows Server 2019; Windows Server 2019 (Server Core installation) | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 | Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2012; Windows Server 2012 (Server Core installation); Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012 R2; Windows RT 8.1; Windows Server 2012 R2 (Server Core installation) | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | Windows Server 2016; Windows Server 2016 (Server Core installation) | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows RT 8.1 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2019 | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2019 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server, version 1903 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 3.5 | Windows Server 2012; Windows Server 2012 (Server Core installation); Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows 10 for 32-bit Systems; Windows 10 for x64-based Systems; Windows Server 2016; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows Server 2016 (Server Core installation); Windows 10 Version 1703 for 32-bit Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems; Windows Server, version 1803 (Server Core Installation); Windows 10 Version 1803 for ARM64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows Server 2019; Windows Server 2019 (Server Core installation); Windows 10 Version 1709 for ARM64-based Systems | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for 32-bit Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for x64-based Systems | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 3.5 on Windows Server, version 1903 (Server Core installation) | all versions | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 3.0 | Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 2.0 | Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 | — | No fix listed | CNA |
| Microsoft | Microsoft .NET Framework 3.5.1 | Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 | — | No fix listed | CNA |
| — | System.Text.RegularExpressions (NuGet) | 4.3.0 to before 4.3.1 | 4.3.1 | Patch available | GHSA-cmhx-cq75-c4mj |
- Microsoft .NET Framework 4.5.2 VendorMicrosoft Affected Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2012; Windows Server 2012 (Server Core installation); Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012 R2; Windows RT 8.1; Windows Server 2012 R2 (Server Core installation); Windows Server 2008 for 32-bit Systems Service Pack 2; Windows Server 2008 for x64-based Systems Service Pack 2 Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.6 VendorMicrosoft Affected Windows Server 2008 for 32-bit Systems Service Pack 2; Windows Server 2008 for x64-based Systems Service Pack 2 Fixed in — No fix listed CNA
- .NET Core VendorMicrosoft Affected 1; 1.1; 2.1; 2.2 Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.7.2 VendorMicrosoft Affected Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems; Windows Server, version 1803 (Server Core Installation); Windows 10 Version 1803 for ARM64-based Systems; Windows Server 2019; Windows Server 2019 (Server Core installation) Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 VendorMicrosoft Affected Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2008 R2 for x64-based Systems Service Pack 1; Windows Server 2012; Windows Server 2012 (Server Core installation); Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012 R2; Windows RT 8.1; Windows Server 2012 R2 (Server Core installation) Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 VendorMicrosoft Affected Windows Server 2016; Windows Server 2016 (Server Core installation) Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2012 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2012 R2 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows RT 8.1 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2016 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1703 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1809 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2019 VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server 2019 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 4.8 on Windows Server, version 1903 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 3.5 VendorMicrosoft Affected Windows Server 2012; Windows Server 2012 (Server Core installation); Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012 R2; Windows Server 2012 R2 (Server Core installation); Windows 10 for 32-bit Systems; Windows 10 for x64-based Systems; Windows Server 2016; Windows 10 Version 1607 for 32-bit Systems; Windows 10 Version 1607 for x64-based Systems; Windows Server 2016 (Server Core installation); Windows 10 Version 1703 for 32-bit Systems; Windows 10 Version 1703 for x64-based Systems; Windows 10 Version 1709 for 32-bit Systems; Windows 10 Version 1709 for x64-based Systems; Windows 10 Version 1803 for 32-bit Systems; Windows 10 Version 1803 for x64-based Systems; Windows Server, version 1803 (Server Core Installation); Windows 10 Version 1803 for ARM64-based Systems; Windows 10 Version 1809 for 32-bit Systems; Windows 10 Version 1809 for x64-based Systems; Windows Server 2019; Windows Server 2019 (Server Core installation); Windows 10 Version 1709 for ARM64-based Systems Fixed in — No fix listed CNA
- Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for 32-bit Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 3.5 on Windows 10 Version 1903 for x64-based Systems VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 3.5 on Windows Server, version 1903 (Server Core installation) VendorMicrosoft Affected all versions Fixed in — No fix listed CNA
- Microsoft .NET Framework 3.0 VendorMicrosoft Affected Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 Fixed in — No fix listed CNA
- Microsoft .NET Framework 2.0 VendorMicrosoft Affected Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 Fixed in — No fix listed CNA
- Microsoft .NET Framework 3.5.1 VendorMicrosoft Affected Windows 7 for 32-bit Systems Service Pack 1; Windows 7 for x64-based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation); Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1; Windows Server 2008 R2 for x64-based Systems Service Pack 1 Fixed in — No fix listed CNA
- System.Text.RegularExpressions (NuGet) Vendor— Affected 4.3.0 to before 4.3.1 Fixed in 4.3.1 Patch available GHSA-cmhx-cq75-c4mj
CPE configurations NVD · 46
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:* | 1.0 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_core:1.1:*:*:*:*:*:*:* | 1.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:* | 2.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_core:2.2:*:*:*:*:*:*:* | 2.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* | 2.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* | 3.0 sp2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* | 3.5 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* | 1607 | Running on | Microsoft |
- cpe:2.3:a:microsoft:.net_core:1.0:*:*:*:*:*:*:* Versions 1.0 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_core:1.1:*:*:*:*:*:*:* Versions 1.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_core:2.1:*:*:*:*:*:*:* Versions 2.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_core:2.2:*:*:*:*:*:*:* Versions 2.2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:2.0:sp2:*:*:*:*:*:* Versions 2.0 sp2 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:* Versions 3.0 sp2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:* Versions 3.5 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_10:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:* Versions 1607 Running on ·Microsoft
Show 36 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* | 1703 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* | 1709 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* | 1803 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* | 1809 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* | 1903 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* | r2 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* | 1803 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* | 1903 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* | 3.5.1 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* | r2 sp1 | Running on | Microsoft |
| cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* | r2 sp1 | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:* | 4.5.2 | Vulnerable | Microsoft |
| cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* | not specified by NVD | Running on | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* | 4.6 | 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:4.7.1:*:*:*:*:*:*:* | 4.7.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* | 4.7.2 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:* | 4.6.1 | Vulnerable | Microsoft |
| cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:* | 4.8 | 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:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* | 8.2 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* | 8.4 | Vulnerable | Red Hat |
| cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* | 8.6 | Vulnerable | Red Hat |
- cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:* Versions 1703 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:* Versions 1809 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_10:1903:*:*:*:*:*:*:* Versions 1903 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:* Versions r2 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:* Versions 1803 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2016:1903:*:*:*:*:*:*:* Versions 1903 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:* Versions 3.5.1 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:* Versions r2 sp1 Running on ·Microsoft
- cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:* Versions r2 sp1 Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:* Versions 4.5.2 Vulnerable ·Microsoft
- cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:* Versions 4.6 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
- cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:* Versions 4.7.1 Vulnerable ·Microsoft
- cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:* Versions 4.7.2 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:4.8:*:*:*:*:*:*:* Versions 4.8 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
- cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_eus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_aus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:* Versions 8.2 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:* Versions 8.4 Vulnerable ·Red Hat
- cpe:2.3:o:redhat:enterprise_linux_server_tus:8.6:*:*:*:*:*:*:* Versions 8.6 Vulnerable ·Red Hat
Remediation
- Fix · GHSA-cmhx-cq75-c4mj System.Text.RegularExpressions (NuGet) Fixed in 4.3.1 Advisory →
Red Hat 2 advisories
- RHSA-2019:1259 Released 2019-05-22 · Red Hat rating Importantdotnet security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 8) dotnet-2.1.507-2.el8_0, dotnet-host-2.1.11-2.el8_0, dotnet-host-fxr-2.1-2.1.11-2.el8_0 +3
- RHSA-2019:1236 Released 2019-05-15 · Red Hat rating Moderate.NET Core on Red Hat Enterprise Linux security and bug fix update
- .NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) rh-dotnet21-2.1-10.el7, rh-dotnet21-dotnet-2.1.507-2.el7, rh-dotnet21-dotnet-host-2.1.11-2.el7 +17
- .NET Core on Red Hat Enterprise Linux Server (v. 7) rh-dotnet21-2.1-10.el7, rh-dotnet21-dotnet-2.1.507-2.el7, rh-dotnet21-dotnet-host-2.1.11-2.el7 +17
- .NET Core on Red Hat Enterprise Linux Workstation (v. 7) rh-dotnet21-2.1-10.el7, rh-dotnet21-dotnet-2.1.507-2.el7, rh-dotnet21-dotnet-host-2.1.11-2.el7 +17
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-2019:1236 |
| .NET Core on Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2019:1236 |
| .NET Core on Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2019:1236 |
| Red Hat Enterprise Linux AppStream (v. 8) | Fixed | RHSA-2019:1259 |
Timeline
- 2026-10-02 Threatist record created from CVE-2019-0820
- 2026-10-03 Alias added: GHSA-cmhx-cq75-c4mj
References
More Microsoft .net Core vulnerabilities
- TI-2020-01112 A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and… KEVCVSS 3.1HIGH 7.8
- TI-2021-08380 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2020-00583 Improper input validation in Microsoft .NET Core CVSS 3.1HIGH 8.8
- TI-2020-00582 Improper input validation in Microsoft .NET Core CVSS 3.1HIGH 8.8
- TI-2021-06407 .NET Core Remote Code Execution Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-11690 .NET and Visual Studio Denial of Service Vulnerability CVSS 3.1HIGH 7.5
Sources
- CVE-2019-0820 · CVE Program
- CVE-2019-0820 · NVD
- FIRST EPSS
- GHSA-cmhx-cq75-c4mj · GitHub Advisory Database · CC BY 4.0
- CVE-2019-0820 · 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