Vulnerability Intelligence Report
Microsoft .NET Framework Remote Code Execution Vulnerability
CVE-2020-0646
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
CISA KEV
Nuclei Template
SSVC: Active Exploitation
Automatable
CVSS Base Score
9.8
CRITICAL
Exploitability:3.9
Impact Score:5.9
EPSS Probability:99.19%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
—
Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-91 ↗CWE-91 XML Injection (aka Blind XPath Injection)
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| 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 (affected), Windows 7 for x64-based Systems Service Pack 1 (affected), Windows 8.1 for 32-bit systems (affected), Windows 8.1 for x64-based systems (affected), Windows RT 8.1 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (affected), Windows Server 2012 (affected), Windows Server 2012 (Server Core installation) (affected), Windows Server 2012 R2 (affected), Windows Server 2012 R2 (Server Core installation) (affected) |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 | Windows 10 Version 1607 for 32-bit Systems (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows RT 8.1 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation) | 1903 (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 4.6 | Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), Windows Server 2008 for x64-based Systems Service Pack 2 (affected) |
| Microsoft | Microsoft .NET Framework 3.0 | Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2 (affected), Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 (affected) |
| Microsoft | Microsoft .NET Framework 3.5 | Windows 10 Version 1607 for 32-bit Systems (affected), Windows 8.1 for 32-bit systems (affected), Windows 8.1 for x64-based systems (affected), Windows Server 2012 (affected), Windows Server 2012 (Server Core installation) (affected), Windows Server 2012 R2 (affected), Windows Server 2012 R2 (Server Core installation) (affected) |
| Microsoft | Microsoft .NET Framework 3.5.1 | Windows 7 for 32-bit Systems Service Pack 1 (affected), Windows 7 for x64-based Systems Service Pack 1 (affected), Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (affected) |
| Microsoft | Microsoft .NET Framework 4.5.2 | Windows 7 for 32-bit Systems Service Pack 1 (affected), Windows 7 for x64-based Systems Service Pack 1 (affected), Windows 8.1 for 32-bit systems (affected), Windows 8.1 for x64-based systems (affected), Windows RT 8.1 (affected), Windows Server 2008 for 32-bit Systems Service Pack 2 (affected), Windows Server 2008 for x64-based Systems Service Pack 2 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (affected), Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) (affected), Windows Server 2012 (affected), Windows Server 2012 (Server Core installation) (affected), Windows Server 2012 R2 (affected), Windows Server 2012 R2 (Server Core installation) (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | unspecified (affected) |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | unspecified (affected) |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
CISA KEV
ACTIVE IN CATALOG
Nuclei Template
SCANNER AVAILABLE
EPSS Score
99.193%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2019-11-04T00:00:00 |
| Published | 2020-01-14T23:11:38 |
| Last Updated | 2025-10-21T23:35:53 |
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