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CVE-2020-1018· NVD / CVE Program· CNA microsoft

An information disclosure vulnerability exists when Microsoft Dynamics Business Central/NAV on-premise does not properly hide the value of a

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'.

HighCVSS 7.5 · v3.1—No exploit No fix recorded
Published
Apr 15, 2020
Updated
Jun 16, 2026
EPSS
6.3% · 93th percentile
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Report tools

JSON

Action score

32

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
2 / 30 · 6.3%

Affected systems

VendorProduct
microsoftdynamics 365 business central
microsoftdynamics nav

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • microsoft dynamics 365 business centralall versions
  • microsoft dynamics 365 business central2019
  • microsoft dynamics nav2015
  • microsoft dynamics nav2016
  • microsoft dynamics nav2017
  • microsoft dynamics nav2018

Versions reported by the vendor

Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.

  • Microsoft Dynamics 365 Business Central 2019 Spring Update

    • unspecifiedaffected
  • Microsoft Microsoft Dynamics 365 BC On Premise

    • unspecifiedaffected
  • Microsoft Microsoft Dynamics NAV 2015

    • unspecifiedaffected
  • Microsoft Microsoft Dynamics NAV 2016

    • unspecifiedaffected
  • Microsoft Microsoft Dynamics NAV 2017

    • unspecifiedaffected
  • Microsoft Microsoft Dynamics NAV 2018

    • unspecifiedaffected

Other highest-scoring records for the same primary product.

  • CVE-2024-38225Microsoft Dynamics 365 Business Central Elevation of Privilege Vulnerability
    39Monitor
  • CVE-2024-35249Microsoft Dynamics 365 Business Central Remote Code Execution Vulnerability
    36Monitor
  • CVE-2024-43460Dynamics 365 Business Central Elevation of Privilege Vulnerability
    35Monitor
  • CVE-2020-0905An remote code execution vulnerability exists in Microsoft Dynamics Business Central, aka 'Dynamics Business Central Remote Code Execution V
    35Monitor
  • CVE-2022-41127Microsoft Dynamics NAV and Microsoft Dynamics 365 Business Central (On Premises) Remote Code Execution Vulnerability
    34Monitor
  • CVE-2020-1022A remote code execution vulnerability exists in Microsoft Dynamics Business Central, aka 'Dynamics Business Central Remote Code Execution Vu
    34Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
none
Availability
none
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
None
Availability impact
None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

nvd-primary

Root cause

The extension requests broader permissions than its function needs and sends the data it collects out for purposes beyond its stated function.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

json
{  "permissions": ["tabs", "<all_urls>"],  "background": { "service_worker": "analytics.js" }}

Fixed

json
{  "permissions": ["activeTab"],  "host_permissions": ["https://yildiz.example/*"]}

Noroxi analysis

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Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

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