CVE-2017-16748
An attacker can log into the local Niagara platform (Niagara AX Framework Versions 3.8 and prior or Niagara 4 Framework Versions 4.4 and prior) using a disabled account name and a blank password, granting the attacker administrator access to the Niagara…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.22%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An attacker can log into the local Niagara platform (Niagara AX Framework Versions 3.8 and prior or Niagara 4 Framework Versions 4.4 and prior) using a disabled account name and a blank password, granting the attacker administrator access to the Niagara system.
- CVSS 3.0
- 9.8 CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.22% probability · 92th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-287
- Affected
- tridium/niagara · tridium/niagara ax framework
- Source
- ics-cert@hq.dhs.gov
EPSS moved from 4.1% on 21 September 2026 to 5.2% on 27 October 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.