CVE-2023-21710: Microsoft Exchange Server Remote Code Execution Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.02.0986.041Patch KB5023038 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.02.1118.025Patch KB5023038 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 15.01.2507.021Patch KB5023038
Event History
Frequently Asked Questions
What is CVE-2023-21710?
CVE-2023-21710 is a remote code execution vulnerability in Microsoft Exchange Server.
Which versions of Microsoft Exchange Server are affected by CVE-2023-21710?
Microsoft Exchange Server 2016 cumulative update 23, 2019 cumulative update 11, and 2019 cumulative update 12 are affected by CVE-2023-21710.
What is the severity of CVE-2023-21710?
CVE-2023-21710 has a severity score of 7.2, which is considered high.
How do I fix CVE-2023-21710?
To fix CVE-2023-21710, apply the patches provided by Microsoft for the affected versions of Exchange Server. The patches can be downloaded from the provided URLs.
Where can I find more information about CVE-2023-21710?
You can find more information about CVE-2023-21710 on the Microsoft Security Response Center website.