CVE-2022-30938

High

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 < V4.40), 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 manupulating a specific argument. This could allow an attacker to crash the affected application leading to a denial of service condition

SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens En100 Ethernet Module Dnp3 Ip Firmware
PublishedJul 12, 2022
First seenJul 12, 2022

How to fix

Update
  • siemens en100_ethernet_module_iec_61850_firmware4.40 or later

Affected products

ProductAffected versionsFixed in
siemens en100_ethernet_module_dnp3_ip_firmwareNo range specified—
siemens en100_ethernet_module_iec_104_firmwareNo range specified—
siemens en100_ethernet_module_iec_61850_firmwarev < 4.404.40
siemens en100_ethernet_module_modbus_tcp_firmwareNo range specified—
siemens en100_ethernet_module_profinet_io_firmwareNo range specified—

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CVE-2022-30938 · Siemens En100 Ethernet Module Dnp3 Ip Firmware · Dark Radar