CVE-2020-16860 Microsoft Dynamics 365 (on-premises) Remote Code Execution Vulnerability

Medium 6.8 Published 11 Sep 2020 Updated 4 Aug 2024

An authenticated attacker can execute arbitrary code on Microsoft Dynamics 365 on-premises servers by sending specially crafted web requests.

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-2020-16860?

CVE-2020-16860 is a medium-severity code injection vulnerability in Microsoft Dynamics 365, 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 (on-premises) when the server fails to properly sanitize web requests to an affected Dynamics server. An attacker who successfully exploited the vulnerability could run arbitrary code in the context of the SQL service account. An authenticated attacker could exploit this vulnerability by sending a specially crafted request to a vulnerable Dynamics server. The security update addresses the vulnerability by correcting how Microsoft Dynamics 365 (on-premises) validates and sanitizes user input.</p>

Which versions are affected by CVE-2020-16860?

It affects 1 product.

Products include Microsoft Dynamics 365.

How do I fix CVE-2020-16860?

No fix has been published for CVE-2020-16860 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-2020-16860 being exploited?

There is no known exploitation of CVE-2020-16860 in the wild and no public exploit code.

All Microsoft Dynamics 365 vulnerabilities

Sources

Also known as GHSA-94j9-g7hv-h89v.