Microsoft Exchange Remote Code Execution Vulnerability
CVE-2019-1373 is fixed in 5 products on 1 platform, first by KB4523171, released November 12, 2019. It is not reported as exploited. Patch Radar priority: Urgent.
<p>A remote code execution vulnerability exists in Microsoft Exchange through the deserialization of metadata via PowerShell. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the logged in user.</p> <p>Exploitation of this vulnerability requires that a user run cmdlets via PowerShell.</p> <p>The security update addresses the vulnerability by correcting how Exchange serializes its metadata.</p>
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Microsoft | |||
| Microsoft Exchange Server 2013 Cumulative Update 23 | KB4523171 | Nov 12, 2019 | |
| Microsoft Exchange Server 2016 Cumulative Update 13 | KB4523171 | Nov 12, 2019 | |
| Microsoft Exchange Server 2016 Cumulative Update 14 | KB4523171 | Nov 12, 2019 | |
| Microsoft Exchange Server 2019 Cumulative Update 2 | KB4523171 | Nov 12, 2019 | |
| Microsoft Exchange Server 2019 Cumulative Update 3 | KB4523171 | Nov 12, 2019 | |
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