CVE-2020-1018

What it is

An information disclosure vulnerability exists when Microsoft Dynamics Business Central/NAV on-premise does not properly hide the value of a masked field when showing the records as a chart page.The attacker who successfully exploited the vulnerability could see the information that are in a masked field.The security update addresses the vulnerability by updating the rendering engine the Windows client to properly detect masked fields and render the content as masked., aka 'Microsoft Dynamics Business Central/NAV Information Disclosure'.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure.

Exploit odds

6.3% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2020-04-15 15:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:00 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 6.3% in the next 30 days (EPSS).
• Severity: 7.5 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2020-04-15 15:15 UTC

Last modified

2026-06-17 03:00 UTC

Exploit probability

6.3% · EPSS, next 30 days

Weakness

CWE-200 · Information exposure

Record status

Modified

Affected

• Microsoft Dynamics 365 Business Central
• Microsoft Dynamics 365 Business Central 2019
• Microsoft Dynamics Nav 2015
• Microsoft Dynamics Nav 2016
• Microsoft Dynamics Nav 2017
• Microsoft Dynamics Nav 2018

Attack profile CVSS 3.1 · 7.5

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Is it in your code?

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