Tridium Niagara Improper Limitation of a Pathname to a Restricted Directory (CVE-2017-16744)

high Tenable OT Security Plugin ID 500891


The remote OT asset is affected by a vulnerability.


A path traversal vulnerability in Tridium Niagara AX Versions 3.8 and prior and Niagara 4 systems Versions 4.4 and prior installed on Microsoft Windows Systems can be exploited by leveraging valid platform (administrator) credentials.

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

Tridium has recommended the following mitigation:

- Niagara AX v3.8: Apply Update 4 release (3.8.401), and
- Niagara 4 Framework v4.4: Apply Update 1 release (

For more information about these updates, please refer to the provided link: a=en

See Also

Plugin Details

Severity: High

ID: 500891

Version: 1.9

Type: remote

Family: Tenable.ot

Published: 3/21/2023

Updated: 4/11/2024

Supported Sensors: Tenable OT Security

Risk Information


Risk Factor: Medium

Score: 5.9


Risk Factor: Medium

Base Score: 6.5

Temporal Score: 4.8

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

CVSS Score Source: CVE-2017-16744


Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

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

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

Vulnerability Information

CPE: cpe:/a:tridium:niagara, cpe:/a:tridium:niagara_ax_framework

Required KB Items: Tenable.ot/assetBag

Exploit Ease: No known exploits are available

Patch Publication Date: 8/20/2018

Vulnerability Publication Date: 8/20/2018

Reference Information

CVE: CVE-2017-16744

CWE: 22