CVE-2021-43233: Remote Desktop Client Remote Code Execution Vulnerability

Published Dec 15, 2021
·
Updated

Remote Desktop Client Remote Code Execution Vulnerability

Affected Software

37 affected components
Microsoft Windows 10
Microsoft Windows 10
Microsoft Windows 10=20h2
Microsoft Windows 10=20h2
Microsoft Windows 10=20h2
Microsoft Windows 10=21h1
Microsoft Windows 10=21h1
Microsoft Windows 10=21h1
Microsoft Windows 10=21h2
Microsoft Windows 10=21h2
Microsoft Windows 10=21h2
Microsoft Windows 10=1607
Microsoft Windows 10=1607
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1809
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=1909
Microsoft Windows 10=2004
Microsoft Windows 10=2004
Microsoft Windows 10=2004
Microsoft Windows 11
Microsoft Windows 11
Microsoft Windows 7=sp1
Microsoft Windows 7=sp1
Microsoft Windows 8.1
Microsoft Windows 8.1
Microsoft Windows RT 8.1
Microsoft Windows Server=20h2
Microsoft Windows Server=2022
Microsoft Windows Server 2008=r2-sp1
Microsoft Windows Server 2012
Microsoft Windows Server 2012=r2
Microsoft Windows Server 2016
Microsoft Windows Server 2016=2004
Microsoft Windows Server 2019

Remediation

Patch Available

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43233

Event History

Dec 15, 2021
CVE Published
via MITRE·02:15 PM
Data Sourced
via MITRE·02:15 PM
DescriptionSeverity
Data Sourced
via NVD·03:15 PM
RemedyDescriptionSeverityAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2021-43233?

CVE-2021-43233 is classified as a critical vulnerability that allows remote code execution.

2

How do I fix CVE-2021-43233?

To mitigate CVE-2021-43233, apply the latest security updates provided by Microsoft for affected Windows versions.

3

Which systems are affected by CVE-2021-43233?

CVE-2021-43233 affects multiple versions of Microsoft Windows including Windows 10, Windows 11, and various versions of Windows Server.

4

What types of attacks can exploit CVE-2021-43233?

CVE-2021-43233 can be exploited through specially crafted remote desktop connections to execute arbitrary code on vulnerable systems.

5

Is there a workaround for CVE-2021-43233?

Currently, the recommended action for CVE-2021-43233 is to apply security updates, as there are no documented workarounds.

Company

Resources

Contact

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