CVE-2020-16878: Microsoft Dynamics 365 (On-Premise) Cross Site Scripting Vulnerability
First published: Fri Sep 11 2020(Updated: )
<p>A cross site scripting vulnerability exists when Microsoft Dynamics 365 (on-premises) does not properly sanitize a specially crafted web request to an affected Dynamics server. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected Dynamics server.</p> <p>The attacker who successfully exploited the vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current authenticated user. These attacks could allow the attacker to read content that the attacker is not authorized to read, use the victim's identity to take actions within Dynamics Server on behalf of the user, such as change permissions and delete content, and inject malicious content in the browser of the user.</p> <p>The security update addresses the vulnerability by helping to ensure that Dynamics Server properly sanitizes web requests.</p>
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| =8.2 | ||
| =9.0 | ||
| Microsoft Dynamics 365 | =8.2 | |
| Microsoft Dynamics 365 | =9.0 |
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Frequently Asked Questions
What is CVE-2020-16878?
CVE-2020-16878 is a cross-site scripting vulnerability in Microsoft Dynamics 365 (On-Premise).
What is the severity of CVE-2020-16878?
CVE-2020-16878 has a severity rating of 5.4 (Medium).
How does CVE-2020-16878 affect Microsoft Dynamics 365?
CVE-2020-16878 allows attackers to execute malicious scripts in the context of the user's browser on the affected Dynamics server, potentially leading to unauthorized actions or data theft.
How can I fix CVE-2020-16878?
To fix CVE-2020-16878, apply the necessary security patches provided by Microsoft and ensure that proper input sanitization is implemented in web request handling.
Where can I find more information about CVE-2020-16878?
You can find more information about CVE-2020-16878 on the Microsoft Security Response Center's advisory page: https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16878
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