What is CVE-2021-34470?

CVE-2021-34470 is a vulnerability in Microsoft Exchange Server that allows for elevation of privilege.

Which versions of Microsoft Exchange Server are affected by CVE-2021-34470?

Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 21, and Microsoft Exchange Server 2019 Cumulative Update 10 are affected by CVE-2021-34470.

What is the severity of CVE-2021-34470?

CVE-2021-34470 has a severity rating of high.

How can I fix the CVE-2021-34470 vulnerability?

To fix the CVE-2021-34470 vulnerability, apply the necessary security updates provided by Microsoft.

Where can I find more information about CVE-2021-34470?

You can find more information about CVE-2021-34470 on the Microsoft Security Response Center website.

Vulnerability/
CVE-2021-34470

high

14/7/2021

23/8/2024

CVE-2021-34470: Microsoft Exchange Server Elevation of Privilege Vulnerability

First published: Wed Jul 14 2021(Updated: )

Microsoft Exchange Server Elevation of Privilege Vulnerability This CVE ID is unique from CVE-2021-33768, CVE-2021-34523.

Credit: secure@microsoft.com secure@microsoft.com

Affected Software	Affected Version	How to fix
Microsoft Exchange Server	=2013-cumulative_update_23
Microsoft Exchange Server	=2016-cumulative_update_21
Microsoft Exchange Server	=2019-cumulative_update_10

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34470

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Reference Links

Frequently Asked Questions

What is CVE-2021-34470?
CVE-2021-34470 is a vulnerability in Microsoft Exchange Server that allows for elevation of privilege.
Which versions of Microsoft Exchange Server are affected by CVE-2021-34470?
Microsoft Exchange Server 2013 Cumulative Update 23, Microsoft Exchange Server 2016 Cumulative Update 21, and Microsoft Exchange Server 2019 Cumulative Update 10 are affected by CVE-2021-34470.
What is the severity of CVE-2021-34470?
CVE-2021-34470 has a severity rating of high.
How can I fix the CVE-2021-34470 vulnerability?
To fix the CVE-2021-34470 vulnerability, apply the necessary security updates provided by Microsoft.
Where can I find more information about CVE-2021-34470?
You can find more information about CVE-2021-34470 on the Microsoft Security Response Center website.

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