CVE-2020-16857 Microsoft Dynamics 365 for Finance and Operations (on-premises) Remote Code Execution Vulnerability
An authenticated attacker can execute arbitrary code on Microsoft Dynamics 365 for Finance and Operations servers by uploading a specially crafted file.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-16857?
CVE-2020-16857 is a high-severity code injection vulnerability in Microsoft Dynamics 365 for Finance and Operations, published on 11 Sep 2020. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
<p>A remote code execution vulnerability exists in Microsoft Dynamics 365 for Finance and Operations (on-premises) version 10.0.11. An attacker who successfully exploited this vulnerability could gain remote code execution via server-side script execution on the victim server.</p> <p>An authenticated attacker with privileges to import and export data could exploit this vulnerability by sending a specially crafted file to a vulnerable Dynamics server.</p> <p>The security update addresses the vulnerability by correcting how Microsoft Dynamics 365 for Finance and Operations (on-premises) version 10.0.11 handles user input.</p>
Which versions are affected by CVE-2020-16857?
It affects 1 product.
Products include Microsoft Dynamics 365 for Finance and Operations.
How do I fix CVE-2020-16857?
No fix has been published for CVE-2020-16857 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-16857 being exploited?
There is no known exploitation of CVE-2020-16857 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Dynamics 365 for Finance and Operations
Sources
Also known as GHSA-55f5-7786-m5m5.