CVE-2021-34519: Microsoft SharePoint Missing Check of Message Integrity Vulnerability
First published: Wed Jul 14 2021(Updated: )
Microsoft SharePoint Server Information Disclosure Vulnerability
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft SharePoint Foundation | =2013-sp1 | |
| Microsoft SharePoint Server | =2013-sp1 | |
| Microsoft SharePoint Server | =2016 | |
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Reference Links
Frequently Asked Questions
What is CVE-2021-34519 vulnerability?
CVE-2021-34519 is a vulnerability in Microsoft SharePoint that allows network-adjacent attackers to tamper with update data.
How can an attacker exploit CVE-2021-34519 vulnerability?
An attacker requires user interaction to exploit CVE-2021-34519 by tampering with SharePoint Help updates.
What is the severity of CVE-2021-34519 vulnerability?
The severity of CVE-2021-34519 vulnerability is low with a CVSS severity score of 3.5.
Which versions of Microsoft SharePoint are affected by CVE-2021-34519 vulnerability?
Microsoft SharePoint Foundation 2013 SP1, Microsoft SharePoint Server 2013 SP1, and Microsoft SharePoint Server 2016 are affected by CVE-2021-34519 vulnerability.
How can I learn more about CVE-2021-34519 vulnerability?
You can find more information about CVE-2021-34519 vulnerability on the Microsoft Security Response Center (MSRC) website.
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