CVE-2023-21722

.NET Framework Denial of Service Vulnerability

Description

.NET Framework Denial of Service Vulnerability

Category

5.0
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.30%
Vendor Advisory microsoft.com
Affected: Microsoft Microsoft .NET Framework 4.8
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.7.2
Affected: Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
Affected: Microsoft Microsoft .NET Framework 3.5 AND 4.8.1
Affected: Microsoft Microsoft .NET Framework 4.6.2
Affected: Microsoft Microsoft .NET Framework 3.5 and 4.6.2
Affected: Microsoft Microsoft .NET Framework 2.0 Service Pack 2
Affected: Microsoft Microsoft .NET Framework 3.0 Service Pack 2
Affected: Microsoft Microsoft .NET Framework 3.5
Affected: Microsoft Microsoft .NET Framework 3.5.1
Published at:
Updated at:

References

Link Tags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21722 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-21722?
CVE-2023-21722 has been scored as a medium severity vulnerability.
How to fix CVE-2023-21722?
To fix CVE-2023-21722, 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-2023-21722 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-21722 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-21722?
CVE-2023-21722 affects Microsoft Microsoft .NET Framework 4.8, Microsoft Microsoft .NET Framework 3.5 AND 4.8, Microsoft Microsoft .NET Framework 3.5 AND 4.7.2, Microsoft Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft Microsoft .NET Framework 3.5 AND 4.8.1, Microsoft Microsoft .NET Framework 4.6.2, Microsoft Microsoft .NET Framework 3.5 and 4.6.2, Microsoft Microsoft .NET Framework 2.0 Service Pack 2, Microsoft Microsoft .NET Framework 3.0 Service Pack 2, Microsoft Microsoft .NET Framework 3.5, Microsoft Microsoft .NET Framework 3.5.1.
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