CVE-2020-1439: Microsoft SharePoint Scorecards Deserialization of Untrusted Data Remote Code Execution Vulnerability
First published: Tue Jul 14 2020(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint Server. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of controls in the Microsoft.PerformancePoint.Scorecards.Client module. Instantiating the ExcelDataSet control can trigger the deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the SharePoint web server process.
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft SharePoint | ||
| Microsoft SharePoint Enterprise Server | =2013-sp1 | |
| Microsoft SharePoint Enterprise Server | =2016 | |
| Microsoft SharePoint Foundation | =2013-sp1 | |
| Microsoft SharePoint Server | =2010-sp2 | |
| Microsoft SharePoint Server | =2019 |
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Reference Links
Frequently Asked Questions
What is CVE-2020-1439?
CVE-2020-1439 is a vulnerability that allows remote attackers to execute arbitrary code on affected installations of Microsoft SharePoint Server.
Is authentication required to exploit CVE-2020-1439?
Yes, authentication is required to exploit this vulnerability.
What is the severity of CVE-2020-1439?
CVE-2020-1439 has a severity rating of 8.8 (high).
Which software versions are affected by CVE-2020-1439?
CVE-2020-1439 affects Microsoft SharePoint Enterprise Server 2013 SP1, SharePoint Enterprise Server 2016, SharePoint Foundation 2013 SP1, SharePoint Server 2010 SP2, and SharePoint Server 2019.
How can I fix CVE-2020-1439?
To fix CVE-2020-1439, apply the necessary security updates provided by Microsoft.
- collector/zdi-advisory
- alias/ZDI-20-874
- alias/ZDI-CAN-10963
- alias/CVE-2020-1439
- collector/nvd-index
- vendor/microsoft
- canonical/microsoft sharepoint
- canonical/microsoft sharepoint enterprise server
- version/microsoft sharepoint enterprise server/2013-sp1
- version/microsoft sharepoint enterprise server/2016
- canonical/microsoft sharepoint foundation
- version/microsoft sharepoint foundation/2013-sp1
- canonical/microsoft sharepoint server
- version/microsoft sharepoint server/2010-sp2
- version/microsoft sharepoint server/2019