CVE-2020-16875: Microsoft Exchange Server Remote Code Execution Vulnerability
<p>A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.</p> <p>An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user. Exploitation of the vulnerability requires an authenticated user in a certain Exchange role to be compromised.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Exchange handles cmdlet arguments.</p>
Other sources
A remote code execution vulnerability exists in Microsoft Exchange server due to improper validation of cmdlet arguments.An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the System user, aka 'Microsoft Exchange Server Remote Code Execution Vulnerability'.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of CVE-2020-16875?
CVE-2020-16875 is classified as a critical remote code execution vulnerability.
How do I fix CVE-2020-16875?
To fix CVE-2020-16875, apply the latest cumulative update released by Microsoft for your version of Exchange Server.
Which versions of Microsoft Exchange are affected by CVE-2020-16875?
CVE-2020-16875 affects Microsoft Exchange Server 2016 cumulative update 16 and 17, as well as 2019 cumulative update 5 and 6.
What could an attacker do if they exploited CVE-2020-16875?
An attacker who exploits CVE-2020-16875 could run arbitrary code in the context of the System user.
Is there a workaround for CVE-2020-16875 before applying the fix?
Currently, there are no documented workarounds for CVE-2020-16875, so applying the cumulative update is necessary.