CVE-2022-21911

.NET Framework Denial of Service Vulnerability

Description

.NET Framework Denial of Service Vulnerability

7.5

CVSS

Severity: High

CVSS 3.1 •

CVSS 2.0 •

EPSS 15.50% Top 10%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2

Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8

Affected: Microsoft Microsoft .NET Framework 4.8

Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2

Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2

Affected: Microsoft Microsoft .NET Framework 2.0 Service Pack 2

Affected: Microsoft Microsoft .NET Framework 4.6

Affected: Microsoft Microsoft .NET Framework 3.5

Affected: Microsoft Microsoft .NET Framework 3.5.1

Affected: Microsoft Microsoft .NET Framework 4.5.2

References

Link	Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-21911	vendor advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-21911

Frequently Asked Questions

What is the severity of CVE-2022-21911?: CVE-2022-21911 has been scored as a high severity vulnerability.
How to fix CVE-2022-21911?: To fix CVE-2022-21911, 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-2022-21911 being actively exploited in the wild?: It is possible that CVE-2022-21911 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~16% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-21911?: CVE-2022-21911 affects Microsoft Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2, Microsoft Microsoft .NET Framework 3.5 AND 4.8, Microsoft Microsoft .NET Framework 4.8, Microsoft Microsoft .NET Framework 3.5 AND 4.7.2, Microsoft Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2, Microsoft Microsoft .NET Framework 2.0 Service Pack 2, Microsoft Microsoft .NET Framework 4.6, Microsoft Microsoft .NET Framework 3.5, Microsoft Microsoft .NET Framework 3.5.1, Microsoft Microsoft .NET Framework 4.5.2.

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