CVE-2022-23267

.NET and Visual Studio Denial of Service Vulnerability

Description

.NET and Visual Studio Denial of Service Vulnerability

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 2.38% Top 20%

Vendor Advisory microsoft.com Vendor Advisory microsoft.com

Affected: Microsoft .NET Core 3.1

Affected: Microsoft .NET 5.0

Affected: Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)

Affected: Microsoft Visual Studio 2019 for Mac version 8.10

Affected: Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10)

Affected: Microsoft Microsoft Visual Studio 2022 version 17.0

Affected: Microsoft .NET 6.0

Affected: Microsoft Microsoft Visual Studio 2022 version 17.1

Affected: Microsoft PowerShell 7.0

Affected: Microsoft PowerShell 7.2

Affected: Microsoft Visual Studio 2022 for Mac version 17.0

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-23267	vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNXQL7EZORGU4PZCPJ5EPQ4P7IEY3ZZO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IBYSBUDJYQ76HK4TULXVIIPCKK2U6WDB/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W5FPEQ6BTYRGTS6IYCDTZW6YF5HLQ3BY/
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-23267	patch vendor advisory

What is the severity of CVE-2022-23267?: CVE-2022-23267 has been scored as a high severity vulnerability.
How to fix CVE-2022-23267?: To fix CVE-2022-23267, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-23267 being actively exploited in the wild?: It is possible that CVE-2022-23267 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-23267?: CVE-2022-23267 affects Microsoft .NET Core 3.1, Microsoft .NET 5.0, Microsoft Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8), Microsoft Visual Studio 2019 for Mac version 8.10, Microsoft Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10), Microsoft Microsoft Visual Studio 2022 version 17.0, Microsoft .NET 6.0, Microsoft Microsoft Visual Studio 2022 version 17.1, Microsoft PowerShell 7.0, Microsoft PowerShell 7.2, Microsoft Visual Studio 2022 for Mac version 17.0.