CVE-2017-16744
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (6.14%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.2 HIGHCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 6.14% probability · 93th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- tridium/niagara · tridium/niagara ax framework
- Source
- ics-cert@hq.dhs.gov
EPSS moved from 4.8% on 21 September 2026 to 6.1% on 27 October 2026, peaking at 6.2% on 22 September 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
References
- http://www.securityfocus.com/bid/105101Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-191-03Third Party Advisory, US Government Resource, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-19-022-01
- http://www.securityfocus.com/bid/105101Third Party Advisory, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-191-03Third Party Advisory, US Government Resource, VDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-19-022-01
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.