What is CVE-2021-41349?

CVE-2021-41349 is a spoofing vulnerability in Microsoft Exchange Server.

What software versions are affected by CVE-2021-41349?

Microsoft Exchange Server versions 2013 Cumulative Update 23, 2016 Cumulative Update 21 and 22, and 2019 Cumulative Update 10 and 11 are affected by CVE-2021-41349.

What is the severity rating of CVE-2021-41349?

CVE-2021-41349 has a severity rating of 6.5 (Medium).

How can I fix CVE-2021-41349?

To fix CVE-2021-41349, apply the relevant security updates provided by Microsoft.

Where can I find more information about CVE-2021-41349?

You can find more information about CVE-2021-41349 on the Microsoft Security Guidance Advisory page: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41349

Vulnerability/
CVE-2021-41349

medium

6.5

10/11/2021

18/1/2024

CVE-2021-41349: Microsoft Exchange Server Spoofing Vulnerability

First published: Wed Nov 10 2021(Updated: )

Microsoft Exchange Server Spoofing Vulnerability

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

Affected Software	Affected Version	How to fix
	=2013-cumulative_update_23
	=2016-cumulative_update_21
	=2016-cumulative_update_22
	=2019-cumulative_update_10
	=2019-cumulative_update_11
Microsoft Exchange Server	=2013-cumulative_update_23
Microsoft Exchange Server	=2016-cumulative_update_21
Microsoft Exchange Server	=2016-cumulative_update_22
Microsoft Exchange Server	=2019-cumulative_update_10
Microsoft Exchange Server	=2019-cumulative_update_11

Remedy

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41349

Never miss a vulnerability like this again

Reference Links

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41349

Frequently Asked Questions

What is CVE-2021-41349?
CVE-2021-41349 is a spoofing vulnerability in Microsoft Exchange Server.
What software versions are affected by CVE-2021-41349?
Microsoft Exchange Server versions 2013 Cumulative Update 23, 2016 Cumulative Update 21 and 22, and 2019 Cumulative Update 10 and 11 are affected by CVE-2021-41349.
What is the severity rating of CVE-2021-41349?
CVE-2021-41349 has a severity rating of 6.5 (Medium).
How can I fix CVE-2021-41349?
To fix CVE-2021-41349, apply the relevant security updates provided by Microsoft.
Where can I find more information about CVE-2021-41349?
You can find more information about CVE-2021-41349 on the Microsoft Security Guidance Advisory page: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-41349

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collector/nvd-api
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agent/software-canonical-lookup
agent/software-canonical-lookup-request
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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_21
version/microsoft exchange server/2016-cumulative_update_22
version/microsoft exchange server/2019-cumulative_update_10
version/microsoft exchange server/2019-cumulative_update_11

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