What is the vulnerability ID for this vulnerability?

The vulnerability ID for this vulnerability is CVE-2022-30937.

What is the severity of CVE-2022-30937?

The severity of CVE-2022-30937 is high, with a CVSS score of 7.5.

How can I fix CVE-2022-30937?

Siemens has not released a specific fix for CVE-2022-30937 at the moment. It is recommended to follow the mitigation measures provided in the Siemens Security Advisory.

Where can I find more information about CVE-2022-30937?

You can find more information about CVE-2022-30937 in the Siemens Security Advisory available at the following link: [Siemens Security Advisory](https://cert-portal.siemens.com/productcert/pdf/ssa-693555.pdf)

Vulnerability/
CVE-2022-30937

high

7.8

CWE

787 119

14/6/2022

29/6/2023

CVE-2022-30937: Buffer Overflow

Q: What software is affected by CVE-2022-30937?

The following Siemens EN100 Ethernet modules and their respective firmware versions are affected: EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (Versions < V4.37), EN100 Ethernet module Modbus TCP variant (All versions), and EN100 Ethernet module PROFINET IO variant (All versions).

First published: Tue Jun 14 2022(Updated: )

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.

Credit: productcert@siemens.com

Affected Software	Affected Version	How to fix
Siemens En100 Ethernet Module Dnp3 Firmware
Siemens En100 Ethernet Module Iec 104 Firmware
Siemens En100 Ethernet Module Iec 61850 Firmware	<4.37
Siemens En100 Ethernet Module Modbus Tcp Firmware
Siemens En100 Ethernet Module Profinet Io Firmware
Siemens En100 Ethernet Module

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Reference Links

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

Frequently Asked Questions

What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2022-30937.
What is the severity of CVE-2022-30937?
The severity of CVE-2022-30937 is high, with a CVSS score of 7.5.
What software is affected by CVE-2022-30937?
The following Siemens EN100 Ethernet modules and their respective firmware versions are affected: EN100 Ethernet module DNP3 IP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions), EN100 Ethernet module IEC 61850 variant (Versions < V4.37), EN100 Ethernet module Modbus TCP variant (All versions), and EN100 Ethernet module PROFINET IO variant (All versions).
How can I fix CVE-2022-30937?
Siemens has not released a specific fix for CVE-2022-30937 at the moment. It is recommended to follow the mitigation measures provided in the Siemens Security Advisory.
Where can I find more information about CVE-2022-30937?
You can find more information about CVE-2022-30937 in the Siemens Security Advisory available at the following link: [Siemens Security Advisory](https://cert-portal.siemens.com/productcert/pdf/ssa-693555.pdf)

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