CVE-2020-0891: XSS
First published: Thu Mar 12 2020(Updated: )
This vulnerability is caused when SharePoint Server does not properly sanitize a specially crafted request to an affected SharePoint server.An authenticated attacker could exploit this vulnerability by sending a specially crafted request to an affected SharePoint server, aka 'Microsoft SharePoint Reflective XSS Vulnerability'. This CVE ID is unique from CVE-2020-0795.
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft SharePoint Enterprise Server 2016 | =2016 | |
| Microsoft SharePoint Foundation 2013 | =2010-sp2 | |
| Microsoft SharePoint Foundation 2013 | =2013-sp1 | |
| Microsoft SharePoint Server 2010 | =2019 | |
| =2016 | ||
| =2010-sp2 | ||
| =2013-sp1 | ||
| =2019 |
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Frequently Asked Questions
What is the severity of CVE-2020-0891?
CVE-2020-0891 is rated as important, indicating a significant security risk that could be exploited by attackers.
How do I fix CVE-2020-0891?
To fix CVE-2020-0891, apply the security updates released by Microsoft for the affected versions of SharePoint.
Who is affected by CVE-2020-0891?
CVE-2020-0891 affects users of Microsoft SharePoint Server 2016, SharePoint Foundation 2010 SP2, SharePoint Foundation 2013 SP1, and SharePoint Server 2019.
What type of attack can exploit CVE-2020-0891?
CVE-2020-0891 can be exploited through authenticated attackers sending specially crafted requests to the affected SharePoint servers.
Is CVE-2020-0891 an authenticated or unauthenticated vulnerability?
CVE-2020-0891 is an authenticated vulnerability, meaning it requires an attacker to have valid credentials to exploit it.
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