CVE-2018-4838
High
Description
A vulnerability has been identified in EN100 Ethernet module IEC 61850 variant (All versions < V4.30), EN100 Ethernet module DNP3 variant (All versions < V1.04), EN100 Ethernet module PROFINET IO variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module IEC 104 variant (All versions < V1.22). The web interface (TCP/80) of affected devices allows an unauthenticated user to upgrade or downgrade the firmware of the device, including to older versions with known vulnerabilities.
SeverityHigh
CVSS7.5
Exploit probability—
ProductSiemens En100 Ethernet Module Iec 104 Firmware
PublishedMar 8, 2018
First seenMar 8, 2018
How to fix
Update
- siemens en100_ethernet_module_iec_61850_firmware4.30 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| siemens en100_ethernet_module_iec_104_firmware | No range specified | — |
| siemens en100_ethernet_module_dnp3_firmware | No range specified | — |
| siemens en100_ethernet_module_modbus_tcp_firmware | No range specified | — |
| siemens en100_ethernet_module_profinet_io_firmware | No range specified | — |
| siemens en100_ethernet_module_iec_61850_firmware | v < 4.30 | 4.30 |
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