CVE-2021-28450

Microsoft SharePoint Denial of Service Vulnerability

Description

Microsoft SharePoint Denial of Service Vulnerability

5.0

CVSS

Severity: Medium

CVSS 3.1 •

CVSS 2.0 •

EPSS 1.03% Top 25%

Vendor Advisory microsoft.com

Affected: Microsoft Microsoft SharePoint Enterprise Server 2016

Affected: Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1

Affected: Microsoft Microsoft SharePoint Server 2019

Affected: Microsoft Microsoft SharePoint Foundation 2010 Service Pack 2

References

Link	Tags
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-28450	patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-28450?: CVE-2021-28450 has been scored as a medium severity vulnerability.
How to fix CVE-2021-28450?: To fix CVE-2021-28450, 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-2021-28450 being actively exploited in the wild?: It is possible that CVE-2021-28450 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-28450?: CVE-2021-28450 affects Microsoft Microsoft SharePoint Enterprise Server 2016, Microsoft Microsoft SharePoint Enterprise Server 2013 Service Pack 1, Microsoft Microsoft SharePoint Server 2019, Microsoft Microsoft SharePoint Foundation 2010 Service Pack 2.

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