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Fencer Intel
high 7.2

CVE-2017-16744 json

A path traversal vulnerability in Tridium Niagara AX Versions 3.8 and prior and Niagara 4 systems Versions 4.4 and prior installed on Micro…

published 2018-08-20 8 y ago modified 2026-06-17 4 mo ago also EUVD-2017-7928

cvss
7.2
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.1%
EPSS 6.1% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-19-022-01 updated cvss 6.6

Johnson Controls Facility Explorer

  • Johnson Controls Inc Facility Explorer < 6.6 (6.x series), < 14.4u1 (14.x series)
    affected: vendor fix, mitigation “Johnson Controls has mitigated these vulnerabilities in the following versions. Users should upgrade to one of these product versions (FX14.6 recommended)” johnsoncontrols.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

cisa ICSA-18-191-03 updated cvss 6.6

Tridium Niagara

  • Tridium Niagara 4 Framework <= 4.4 Tridium Niagara AX Framework <= 3.8
    affected: mitigation “Niagara AX v3.8: Apply Update 4 release (3.8.401)”

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

6.14% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.2 CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • ICS-CERT Niagara AX Framework and Niagara 4 Framework

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.