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By the Year

In 2021 there have been 3 vulnerabilities in Microsoft .NET Core with an average score of 8.7 out of ten. Last year .NET Core had 4 security vulnerabilities published. If vulnerabilities keep coming in at the current rate, it appears that number of security vulnerabilities in .NET Core in 2021 could surpass last years number. However, the average CVE base score of the vulnerabilities in 2021 is greater by 0.48.

Year Vulnerabilities Average Score
2021 3 8.70
2020 4 8.23
2019 6 7.23
2018 5 7.10

It may take a day or so for new .NET Core vulnerabilities to show up. Additionally vulnerabilities may be tagged under a different product or component name.

Latest Microsoft .NET Core Security Vulnerabilities

.NET Core Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-24112 9.8 - Critical - February 25, 2021

.NET Core Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-26701.

.NET Core and Visual Studio Denial of Service Vulnerability

CVE-2021-1721 6.5 - Medium - February 25, 2021

.NET Core and Visual Studio Denial of Service Vulnerability

.NET Core Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-26701 9.8 - Critical - February 25, 2021

.NET Core Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24112.

.NET Core Remote Code Execution Vulnerability This CVE ID is unique

CVE-2021-26701 9.8 - Critical - February 25, 2021

.NET Core Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-24112.

A remote code execution vulnerability exists in .NET Framework

CVE-2020-1147 7.8 - High - July 14, 2020

A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests

CVE-2020-1108 7.5 - High - May 21, 2020

A denial of service vulnerability exists when .NET Core or .NET Framework improperly handles web requests, aka '.NET Core & .NET Framework Denial of Service Vulnerability'.

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user

CVE-2020-0606 8.8 - High - January 14, 2020

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka '.NET Framework Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0605.

Improper Input Validation

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user

CVE-2020-0605 8.8 - High - January 14, 2020

A remote code execution vulnerability exists in .NET software when the software fails to check the source markup of a file.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the current user, aka '.NET Framework Remote Code Execution Vulnerability'. This CVE ID is unique from CVE-2020-0606.

Improper Input Validation

A denial of service vulnerability exists when .NET Core improperly handles web requests

CVE-2019-1301 7.5 - High - September 11, 2019

A denial of service vulnerability exists when .NET Core improperly handles web requests, aka '.NET Core Denial of Service Vulnerability'.

A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests

CVE-2019-0981 7.5 - High - May 16, 2019

A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests, aka '.Net Framework and .Net Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0820, CVE-2019-0980.

Data Processing Errors

A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests

CVE-2019-0980 7.5 - High - May 16, 2019

A denial of service vulnerability exists when .NET Framework or .NET Core improperly handle web requests, aka '.Net Framework and .Net Core Denial of Service Vulnerability'. This CVE ID is unique from CVE-2019-0820, CVE-2019-0981.

Data Processing Errors

A denial of service vulnerability exists when .NET Framework and .NET Core improperly process RegEx strings

CVE-2019-0820 7.5 - High - May 16, 2019

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.

Resource Exhaustion

A vulnerability exists in certain .Net Framework API's and Visual Studio in the way they parse URL's

CVE-2019-0657 5.9 - Medium - March 05, 2019

A vulnerability exists in certain .Net Framework API's and Visual Studio in the way they parse URL's, aka '.NET Framework and Visual Studio Spoofing Vulnerability'.

Improper Input Validation

An information disclosure vulnerability exists in .NET Framework and .NET Core which

CVE-2019-0545 7.5 - High - January 08, 2019

An information disclosure vulnerability exists in .NET Framework and .NET Core which allows bypassing Cross-origin Resource Sharing (CORS) configurations, aka ".NET Framework Information Disclosure Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 4.7/4.7.1/4.7.2, .NET Core 2.1, Microsoft .NET Framework 4.7.1/4.7.2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 2.2, Microsoft .NET Framework 4.7.2.

Information Disclosure

A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service

CVE-2018-8409 7.5 - High - September 13, 2018

A denial of service vulnerability exists when System.IO.Pipelines improperly handles requests, aka "System.IO.Pipelines Denial of Service." This affects .NET Core 2.1, System.IO.Pipelines, ASP.NET Core 2.1.

A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates

CVE-2018-8356 5.5 - Medium - July 11, 2018

A security feature bypass vulnerability exists when Microsoft .NET Framework components do not correctly validate certificates, aka ".NET Framework Security Feature Bypass Vulnerability." This affects .NET Framework 4.7.2, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, ASP.NET Core 1.1, Microsoft .NET Framework 4.5.2, ASP.NET Core 2.0, ASP.NET Core 1.0, .NET Core 1.1, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, .NET Core 1.0, .NET Core 2.0, Microsoft .NET Framework 4.6, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.1/4.7.2, Microsoft .NET Framework 4.7.2.

Improper Certificate Validation

A denial of service vulnerability exists when .NET and .NET Core improperly process XML documents

CVE-2018-0765 7.5 - High - May 09, 2018

A denial of service vulnerability exists when .NET and .NET Core improperly process XML documents, aka ".NET and .NET Core Denial of Service Vulnerability." This affects Microsoft .NET Framework 2.0, Microsoft .NET Framework 3.0, Microsoft .NET Framework 4.7.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1, Microsoft .NET Framework 4.5.2, Microsoft .NET Framework 4.7/4.7.1, Microsoft .NET Framework 4.6, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1, Microsoft .NET Framework 4.6/4.6.1/4.6.2, Microsoft .NET Framework 4.6.2/4.7/4.7.1, .NET Core 2.0, Microsoft .NET Framework 4.7.2.

XXE

Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 5.7 and .NET Core 1.0

CVE-2018-0764 7.5 - High - January 10, 2018

Microsoft .NET Framework 1.1, 2.0, 3.0, 3.5, 3.5.1, 4, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2 and 5.7 and .NET Core 1.0. 1.1 and 2.0 allow a denial of service vulnerability due to the way XML documents are processed, aka ".NET and .NET Core Denial Of Service Vulnerability". This CVE is unique from CVE-2018-0765.

Microsoft .NET Framework 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, .NET Core 1.0 and 2.0, and PowerShell Core 6.0.0

CVE-2018-0786 7.5 - High - January 10, 2018

Microsoft .NET Framework 2.0 SP2, 3.0 SP2, 3.5, 3.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, .NET Core 1.0 and 2.0, and PowerShell Core 6.0.0 allow a security feature bypass vulnerability due to the way certificates are validated, aka ".NET Security Feature Bypass Vulnerability."

Improper Certificate Validation

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