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9.8 Critical Exploited

CVE-2020-0646 Microsoft .NET Framework Remote Code Execution Vulnerability

Active exploitation observed

· CISA KEV catalogue
Required action Apply updates per vendor instructions.
Ransomware campaigns Not observed so far
Weakness CWE-91

Description

A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.

Affected products and versions

Product Affected versions Fixed in
Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 Versions not published
Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 Versions not published
Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for 32-bit Systems Versions not published
Microsoft .NET Framework 4.8 on Windows 10 Version 1803 for x64-based Systems Versions not published
Microsoft .NET Framework 4.8 on Windows Server, version 1803 (Server Core Installation) Versions not published
Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for 32-bit Systems Versions not published
Microsoft .NET Framework 4.8 on Windows 10 Version 1709 for x64-based Systems Versions not published
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for 32-bit Systems Versions not published
Microsoft .NET Framework 4.8 on Windows 10 Version 1607 for x64-based Systems Versions not published
Show the 43 other branches
Product Affected versions Fixed in
Microsoft .NET Framework 4.8 on Windows Server 2016 Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2016 (Server Core installation) Versions not published
Microsoft .NET Framework 4.8 on Windows 7 for 32-bit Systems Service Pack 1 Versions not published
Microsoft .NET Framework 4.8 on Windows 7 for x64-based Systems Service Pack 1 Versions not published
Microsoft .NET Framework 4.8 on Windows 8.1 for 32-bit systems Versions not published
Microsoft .NET Framework 4.8 on Windows 8.1 for x64-based systems Versions not published
Microsoft .NET Framework 4.8 on Windows RT 8.1 Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2012 Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2012 (Server Core installation) Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 Versions not published
Microsoft .NET Framework 4.8 on Windows Server 2012 R2 (Server Core installation) Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for 32-bit Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1903 for x64-based Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1903 (Server Core installation) 1903 No fix stated
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) Versions not published
Microsoft .NET Framework 4.6 Versions not published
Microsoft .NET Framework 3.0 Versions not published
Microsoft .NET Framework 3.5 Versions not published
Microsoft .NET Framework 3.5.1 Versions not published
Microsoft .NET Framework 4.5.2 Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for 32-bit Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows Server, version 1909 (Server Core installation) Versions not published
Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1909 for x64-based Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server, version 1803 (Server Core Installation) Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for 32-bit Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems Versions not published
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) Versions not published
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 for x64-based Systems Versions not published
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 Versions not published
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems Versions not published
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 Versions not published
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 Versions not published

References

Timeline

  1. Published
  2. Added to the KEV catalogue
  3. Last modified

Other CVEs of Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2

The 20 CVEs of Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2 →
CVE-2022-26832 .NET Framework Denial of Service Vulnerability 7.5 High CVE-2022-21911 .NET Framework Denial of Service Vulnerability 7.5 High CVE-2021-24111 .NET Framework Denial of Service Vulnerability 7.5 High CVE-2020-16937 <p>An information disclosure vulnerability exists when the .NET Framework improperly handles objects in memory 4.7 Medium
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