What is CVE-2021-31195?

CVE-2021-31195 is a remote code execution vulnerability in Microsoft Exchange Server.

What is the severity of CVE-2021-31195?

CVE-2021-31195 has a severity rating of high with a score of 6.5.

Which versions of Microsoft Exchange Server are affected by CVE-2021-31195?

Microsoft Exchange Server 2013 (cumulative update 23), 2016 (cumulative update 19 and 20), and 2019 (cumulative update 8 and 9) are affected by CVE-2021-31195.

How can I fix CVE-2021-31195?

To fix CVE-2021-31195, apply the respective cumulative update for your version of Microsoft Exchange Server as mentioned in the Microsoft security advisory.

Where can I find more information about CVE-2021-31195?

You can find more information about CVE-2021-31195 in the Microsoft security advisory available at the following link: [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195)

Vulnerability/
CVE-2021-31195

high

8.8

11/5/2021

3/8/2024

CVE-2021-31195: Microsoft Exchange Server Remote Code Execution Vulnerability

First published: Tue May 11 2021(Updated: )

Microsoft Exchange Server Remote Code Execution Vulnerability

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_19
Microsoft Exchange Server	=2016-cumulative_update_20
Microsoft Exchange Server	=2019-cumulative_update_8
Microsoft Exchange Server	=2019-cumulative_update_9

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195

Frequently Asked Questions

What is CVE-2021-31195?
CVE-2021-31195 is a remote code execution vulnerability in Microsoft Exchange Server.
What is the severity of CVE-2021-31195?
CVE-2021-31195 has a severity rating of high with a score of 6.5.
Which versions of Microsoft Exchange Server are affected by CVE-2021-31195?
Microsoft Exchange Server 2013 (cumulative update 23), 2016 (cumulative update 19 and 20), and 2019 (cumulative update 8 and 9) are affected by CVE-2021-31195.
How can I fix CVE-2021-31195?
To fix CVE-2021-31195, apply the respective cumulative update for your version of Microsoft Exchange Server as mentioned in the Microsoft security advisory.
Where can I find more information about CVE-2021-31195?
You can find more information about CVE-2021-31195 in the Microsoft security advisory available at the following link: [https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195](https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195)

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vendor/microsoft
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version/microsoft exchange server/2013-cumulative_update_23
version/microsoft exchange server/2016-cumulative_update_19
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version/microsoft exchange server/2019-cumulative_update_8
version/microsoft exchange server/2019-cumulative_update_9

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Contact

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