CVE-2017-16744

mediumpriority · track · 41EPSS 0.061 · 93 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

6.14% (93rd) EPSS

CVSS 6.5 · medium

Is it mine?

9 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedFacility Explorercisa_csaf_ot
Facility Explorer 14.4u1 (released August 2018)
MitigationNiagara 4 Frameworkcisa_csaf_ot
Niagara 4 Framework v4.4: Apply Update 1 release (4.4.92.2.1)
MitigationNiagara AX Frameworkcisa_csaf_ot
Niagara 4 Framework v4.4: Apply Update 1 release (4.4.92.2.1)
MitigationFacility Explorercisa_csaf_ot
Johnson Controls has mitigated these vulnerabilities in the following versions. Users should upgrade to one of these product versions (FX14.6 recommended)

cvss

Technical severity, 0–10. One row per scoring source.

7.2

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–7.2

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.07.2highCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.2 · impact 5.9

v3.06.6mediumCVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:Hsecondary · CISA US

v3.06.8mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-22USprimaryCWE-22US

exploits (1)

Public proof-of-concept and weaponised exploit code.

GainSec/CVE-2017-16744-and-CVE-2017-16748-Tridium-Niagara Proof of Concept (PoC) for CVE: 2017-16744 and 2017-16748PoC · poc_in_github

affected products (9)

Products and version ranges known to be affected.

Facility Explorer: Versions 14.x prior to 14.4u1all versionscisa_csaf_otUS
Facility Explorer: Versions 6.x prior to 6.6all versionscisa_csaf_otUS
Johnson Controls Inc Facility Explorer< 14.4u1 (14.x series)cisa_csaf_otUS
Johnson Controls Inc Facility Explorer< 6.6 (6.x series)cisa_csaf_otUS
Tridium Niagara 4 Framework≤ 4.4cisa_csaf_otUS
Tridium Niagara AX Framework≤ 3.8cisa_csaf_otUS
ICS-CERT Niagara AX Framework and Niagara 4 Framework≤ Niagara AX Framework Versions 3.8 and prior and Niagara 4 Framework Versions 4.4 and priorenisa_euvdEU
tridium niagara4.0 → 4.4nvdUScpe:2.3:a:tridium:niagara:*:*:*:*:*:*:*:*
tridium niagara ax framework≤ 3.8nvdUScpe:2.3:a:tridium:niagara_ax_framework:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

ICSA-18-191-03Tridium Niagara2018-07-10icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to read, write, and delete sensitive files to gain administrator privileges on the Niagara system.
ICSA-19-022-01Johnson Controls Facility Explorer2019-01-22icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to read, write, and delete sensitive files to gain administrator privileges in the Facility Explorer system.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2018-08-20modified 2026-06-17

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+12524 more

references (10)

External citations — patches, advisories, analysis.

scry

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