Critical severity · published Jan 14, 2020
CVE-2020-0646
Microsoft .NET Framework Remote Code Execution Vulnerability
In wildKEV
9.8
CVSS
99.2%
EPSS
Yes
On KEV
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'.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)99.2% · higher than 100% of CVEs
Exploited in the wildYes
CISA KEVListed Nov 3, 2021
Federal remediation dueMay 3, 2022
Ransomware campaign useNot known
Affected products
Which versions
MN
Microsoft .NET Framework 3.0 · Microsoft
Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for Itanium-Based Systems Service Pack 2; Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 · source: vendor
MN
Microsoft .NET Framework 3.5 · Microsoft
Windows 10 Version 1607 for 32-bit Systems; Windows 8.1 for 32-bit systems; Windows 8.1 for x64-based systems; Windows Server 2012; Windows Server 2012 (Server Core installation); Windows Server 2012 R2; +1 more · source: vendor
MN
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 · Microsoft
All versions, or not specified · source: vendor
MN
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 · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for 32-bit Systems · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2 on Windows 10 Version 1709 for x64-based Systems · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for 32-bit Systems · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1803 for x64-based Systems · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems · Microsoft
All versions, or not specified · source: vendor
MN
Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems · Microsoft
All versions, or not specified · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-0646
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-0646
CISA KEV catalogue
https://www.cisa.gov/known-exploited-vulnerabilities-catalog
x_refsource_MISC
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646
x_refsource_MISC
http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html
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