Siemens En100 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

medium Tenable.ot Plugin ID 500354
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Description

A vulnerability has been identified in EN100 Ethernet module DNP3 variant (All versions), EN100 Ethernet module IEC 61850 variant (All versions < V4.37), EN100 Ethernet module IEC104 variant (All versions), EN100 Ethernet module Modbus TCP variant (All versions), EN100 Ethernet module PROFINET IO variant (All versions). A vulnerability in the integrated web server of the affected devices could allow unauthorized attackers to obtain sensitive information about the device, including logs and configurations. At the time of advisory publication no public exploitation of this security vulnerability was known.

Solution

Refer to vendor advisory for Security Updates

See Also

https://cert-portal.siemens.com/productcert/pdf/ssa-418979.pdf

https://www.us-cert.gov/ics/advisories/icsa-19-344-07

Plugin Details

Severity: Medium

ID: 500354

Version: 1.0

Type: local

Family: SCADA

Published: 5/27/2020

Updated: 5/27/2020

Risk Information

CVSS Score Source: CVE-2019-13944

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Vulnerability Information

CPE: cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_dnp3_tcp:*:*:*:*:*:*:*:*, cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec104:*:*:*:*:*:*:*:*, cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_iec_61850:*:*:*:*:*:*:*:*, cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_modbus_tcp:*:*:*:*:*:*:*:*, cpe:2.3:o:siemens:en100_ethernet_module_with_firmware_variant_profinet_io:*:*:*:*:*:*:*:*, cpe:2.3:h:siemens:en100_ethernet_module:-:*:*:*:*:*:*:*

Patch Publication Date: 12/12/2019

Vulnerability Publication Date: 12/12/2019

Reference Information

CVE: CVE-2019-13944