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After upgrade Exchange Server 2016 CU18 to CU21 . CVE-2021-1730 vulnerability is still showing in health check.
Thats a different vulnerability not covered by the latest CUs and security updates.
Click on that link on how to resolve if needed:
https://www.reddit.com/r/exchangeserver/comments/onhchg/download_domains_cve20211730_and_microsoft/
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Hi @Jazib Khan ,
You could get a lot of information according to the document that andy have posted.
And after you upgrade exchange server successfully.
I do recommend you to install the latest security update to protect your environment.
You could get the latesed su from this link.
https://support.microsoft.com/en-us/topic/description-of-the-security-update-for-microsoft-exchange-server-2019-2016-and-2013-november-9-2021-kb5007409-7e1f235a-d41b-4a76-bcc4-3db90cd161e7
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Thanks for you reply. I have installed all vulnerabilities which has mention in this link. Please guide how can I fix CVE-2021-1730 vulnerability in health check report.
Hi @Jazib Khan ,
Here's a document about this issue:https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-1730
According to this document. It says that you need to enable the download domain to protect your environment
You could follow the document do enable about it.
Hi @Jazib Khan .
Did the issue get resolved?
If the issue has been resolved, please mark the helpful replies as answers, this will make answer searching in the forum easier and be beneficial to other community members as well.
Hi @Jazib Khan ,
I'm just writing to check how's everything going?
If you have any questions or needed further help on this issue, please feel free to post back. If the issue has been resolved, please mark the helpful replies as answers, this will make answer searching in the forum easier and be beneficial to other community members as well.
Thanks for your understanding.