Siemens Ruggedcom Rox Uncontrolled Recursion (CVE-2019-13103)

high Tenable OT Security Plugin ID 505488

Synopsis

The remote OT asset is affected by a vulnerability.

Description

A crafted self-referential DOS partition table will cause all Das U-Boot versions through 2019.07-rc4 to infinitely recurse, causing the stack to grow infinitely and eventually either crash or overwrite other data.

This plugin only works with Tenable.ot.
Please visit https://www.tenable.com/products/tenable-ot for more information.

Solution

The following text was originally created by the Cybersecurity and Infrastructure Security Agency (CISA). The original can be found at CISA.gov.

Siemens has identified the following specific workarounds and mitigations users can apply to reduce risk:

CVE-2018-18440: Disable boot interface access during boot up via the 'bootoption.txt' file parameter 'Security = yes'.
CVE-2019-13103: Disable access to the removable media via 'bootoption.txt' file parameter 'Disableautoaccessremovable = yes'.
Note that this vulnerability only applies to RUGGEDCOM ROS, if the device boots from removable media.

As a general security measure, Siemens strongly recommends protecting network access to devices with appropriate mechanisms.
In order to operate the devices in a protected IT environment, Siemens recommends configuring the environment according to Siemens operational guidelines for industrial security and following the recommendations in the product manuals.

For more information see Siemens Security Advisory SSA-618620

Plugin Details

Severity: High

ID: 505488

File Name: tenable_ot_siemens_CVE-2019-13103.nasl

Version: 1.3

Type: Remote

Family: Tenable.ot

Published: 6/18/2026

Updated: 7/17/2026

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.81

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:P/A:P

CVSS Score Source: CVE-2019-13103

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:siemens:ruggedcom_rox_rx1400_firmware, cpe:/o:siemens:ruggedcom_rox_rx5000_firmware, cpe:/o:siemens:ruggedcom_rox_rx1501_firmware, cpe:/o:siemens:ruggedcom_rox_rx1500_firmware, cpe:/o:siemens:ruggedcom_rox_rx1512_firmware, cpe:/o:siemens:ruggedcom_rox_mx5000_firmware, cpe:/o:siemens:ruggedcom_rox_mx5000re_firmware, cpe:/o:siemens:ruggedcom_rox_rx1536_firmware, cpe:/o:siemens:ruggedcom_rox_rx1524_firmware, cpe:/o:siemens:ruggedcom_rox_rx1510_firmware, cpe:/o:siemens:ruggedcom_rox_rx1511_firmware

Required KB Items: Tenable.ot/Siemens

Exploit Ease: No known exploits are available

Patch Publication Date: 12/10/2019

Vulnerability Publication Date: 7/29/2019

Reference Information

CVE: CVE-2019-13103

CWE: 674

ICSA: 19-344-03

Detections

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