# CVE-2020-1022: Dynamics Business Central Remote Code Execution Vulnerability

CVE-2020-1022 is fixed in 8 products on 1 platform, first by KB4549678, released April 14, 2020. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2020-1022
- Priority: Urgent
- CVSS: n/a (Critical)
- EPSS: 0.0683
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Apr 14, 2020
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1022

## Description

<p>A remote code execution vulnerability exists in Microsoft Dynamics Business Central. An attacker who successfully exploited this vulnerability could execute arbitrary shell commands on victim's server.</p> <p>To exploit the vulnerability, an authenticated attacker needs to convince the victim into connect to a malicious Dynamics Business Central client or elevate permission to system to perform the code execution.</p> <p>The security update addresses the vulnerability by preventing the possibility of using a binary type that could eventually execute code on the victim’s server.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Dynamics 365 Business Central 2019 Release Wave 2 (On-Premise) |  | [KB4549678](https://patchblox.com/security/data/fix/microsoft/kb4549678.md) | Apr 14, 2020 |
| Microsoft | Dynamics 365 Business Central Spring 2019 Update |  | [KB4549677](https://patchblox.com/security/data/fix/microsoft/kb4549677.md) | Apr 14, 2020 |
| Microsoft | Microsoft Dynamics 365 BC On Premise |  | [KB4549676](https://patchblox.com/security/data/fix/microsoft/kb4549676.md) | Apr 14, 2020 |
| Microsoft | Microsoft Dynamics NAV 2013 |  | [KB4557699](https://patchblox.com/security/data/fix/microsoft/kb4557699.md) | Apr 14, 2020 |
| Microsoft | Microsoft Dynamics NAV 2015 |  | [KB4557700](https://patchblox.com/security/data/fix/microsoft/kb4557700.md) | Apr 14, 2020 |
| Microsoft | Microsoft Dynamics NAV 2016 |  | [KB4549673](https://patchblox.com/security/data/fix/microsoft/kb4549673.md) | Apr 14, 2020 |
| Microsoft | Microsoft Dynamics NAV 2017 |  | [KB4549674](https://patchblox.com/security/data/fix/microsoft/kb4549674.md) | Apr 14, 2020 |
| Microsoft | Microsoft Dynamics NAV 2018 |  | [KB4549675](https://patchblox.com/security/data/fix/microsoft/kb4549675.md) | Apr 14, 2020 |

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Data as of 2026-11-08T00:53:09Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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