Siemens (CVE-2022-30937)

high Tenable.ot Plugin ID 500660


The remote OT asset is affected by a vulnerability.


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.

This plugin only works with Tenable.ot.
Please visit for more information.


Refer to the vendor advisory.

See Also

Plugin Details

Severity: High

ID: 500660

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 6/28/2022

Updated: 6/28/2022

Risk Information


Risk Factor: Low

Score: 3.6


Risk Factor: High

Base Score: 7.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2022-30937


Risk Factor: High

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: cpe:/o:siemens:en100_ethernet_module_dnp3_firmware:-, cpe:/o:siemens:en100_ethernet_module_iec_104_firmware:-, cpe:/o:siemens:en100_ethernet_module_iec_61850_firmware, cpe:/o:siemens:en100_ethernet_module_modbus_tcp_firmware:-, cpe:/o:siemens:en100_ethernet_module_profinet_io_firmware:-

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 6/14/2022

Vulnerability Publication Date: 6/14/2022

Reference Information

CVE: CVE-2022-30937

CWE: 119