CVE-2022-30937
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.
How to fix
- siemens en100_ethernet_module_iec_61850_firmware4.37 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens en100_ethernet_module_dnp3_firmware | No range specified | — |
| siemens en100_ethernet_module_iec_104_firmware | No range specified | — |
| siemens en100_ethernet_module_iec_61850_firmware | v < 4.37 | 4.37 |
| siemens en100_ethernet_module_modbus_tcp_firmware | No range specified | — |
| siemens en100_ethernet_module_profinet_io_firmware | No range specified | — |
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