Microhard Bullet-LTE Improper Neutralization of Special Elements used in an OS Command (CVE-2020-17406)

high Tenable OT Security Plugin ID 503150

Synopsis

The remote OT asset is affected by a vulnerability.

Description

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microhard Bullet-LTE prior to v1.2.0-r1112. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of the ping parameter provided to tools.sh. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-10595.

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

Solution

Refer to the vendor advisory.

Plugin Details

Severity: High

ID: 503150

Version: 1.1

Type: remote

Family: Tenable.ot

Published: 3/24/2025

Updated: 3/24/2025

Supported Sensors: Tenable OT Security

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9

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

CVSS Score Source: CVE-2020-17406

CVSS v3

Risk Factor: High

Base Score: 8.8

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

Vulnerability Information

CPE: cpe:/o:microhardcorp:bullet-lte_firmware

Required KB Items: Tenable.ot/Microhard

Exploit Ease: No known exploits are available

Patch Publication Date: 10/13/2020

Vulnerability Publication Date: 10/13/2020

Reference Information

CVE: CVE-2020-17406

CWE: 78

Detections

Analytics