# Malicious Code Execution Vulnerability in FA Engineering Software Products

CVE record · `CVE-2023-4088`

- **Identifiers:** `CVE-2023-4088`
- **State:** Confirmed
- **Severity:** CVSS 9.3 Critical
- **Critical:** Yes: CVSS 9+
- **CNA:** Mitsubishi
- **Weakness (CWE):** [CWE-276](https://cwe.mitre.org/data/definitions/276.html)
- **Tags:** [Broken access control](https://agentprime.io/advisories/tag/access-control.md)
- **Technologies:** [Mitsubishi Electric Corporation GX Works3](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gx-works3.md) · [Mitsubishi Electric Corporation AL-PCS/WIN-E](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-al-pcs-win-e.md) · [Mitsubishi Electric Corporation CPU Module Logging Configuration Tool](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-cpu-module-logging-configuration-tool.md) · [Mitsubishi Electric Corporation EZSocket](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-ezsocket.md) · [Mitsubishi Electric Corporation FR Configurator2](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-fr-configurator2.md) · [Mitsubishi Electric Corporation FX Configurator-EN](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-fx-configurator-en.md) · [Mitsubishi Electric Corporation FX Configurator-EN-L](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-fx-configurator-en-l.md) · [Mitsubishi Electric Corporation FX Configurator-FP](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-fx-configurator-fp.md) · [Mitsubishi Electric Corporation GT Designer3 Version1(GOT1000)](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gt-designer3-version1-got1000.md) · [Mitsubishi Electric Corporation GT Designer3 Version1(GOT2000)](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gt-designer3-version1-got2000.md) · [Mitsubishi Electric Corporation GT SoftGOT1000 Version3](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gt-softgot1000-version3.md) · [Mitsubishi Electric Corporation GT SoftGOT2000 Version1](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gt-softgot2000-version1.md) · [Mitsubishi Electric Corporation GX LogViewer](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gx-logviewer.md) · [Mitsubishi Electric Corporation GX Works2](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-gx-works2.md) · [Mitsubishi Electric Corporation MELSOFT FieldDeviceConfigurator](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-melsoft-fielddeviceconfigurator.md) · [Mitsubishi Electric Corporation MELSOFT iQ AppPortal](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-melsoft-iq-appportal.md) · [Mitsubishi Electric Corporation MELSOFT MaiLab](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-melsoft-mailab.md) · [Mitsubishi Electric Corporation MELSOFT Navigator](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-melsoft-navigator.md) · [Mitsubishi Electric Corporation MELSOFT Update Manager](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-melsoft-update-manager.md) · [Mitsubishi Electric Corporation MX Component](https://agentprime.io/advisories/technology/mitsubishi-electric-corporation-mx-component.md)
- **Published:** 20 Sept 2023
- **Updated:** 24 Sept 2024
- **Reviewed by a person:** No

Published by the CVE Program (CNA: Mitsubishi) at 20 Sept 2023, 02:26 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

## Critical

Critical, because:

- CVSS score 9.3: 9.0 or more.

How we decide what’s critical: <https://agentprime.io/advisories/critical.md>

## Affected products, as the CNA wrote them

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

## Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

## Severity and exploitation

- 9.3 Critical, CVSS 3.1: `CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`, from CNA (Mitsubishi)

- **CISA KEV:** Not listed.
- **EPSS:** 0.0019, the 8th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

## Timeline

This record came from the full history of the CVE Program, published 20 Sept 2023. New records show when each source confirmed them.

## Sources

- [CVE List: CVE-2023-4088](https://www.cve.org/CVERecord?id=CVE-2023-4088)
- [NVD: CVE-2023-4088](https://nvd.nist.gov/vuln/detail/CVE-2023-4088)

### References from the CNA

- <https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-010_en.pdf> (vendor-advisory)
- <https://jvn.jp/vu/JVNVU96447193/index.html> (government-resource)
- <https://www.cisa.gov/news-events/ics-advisories/icsa-23-269-03> (government-resource)

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.

## Check whether this affects you

This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it. Compare the affected versions above with what you run.

- With the agentprime MCP server (<https://api.agentprime.io/mcp>), `get_advisory` returns this record and `search_advisories` finds related ones. Setup: <https://agentprime.io/mcp.md>
- As JSON: <https://api.agentprime.io/v1/advisories/CVE-2023-4088>
- Everything that needs attention now: <https://agentprime.io/advisories/critical.md>

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The web page: <https://agentprime.io/advisories/CVE-2023-4088/>. Everything for agents: <https://agentprime.io/llms.txt>.
