Auth bypass in Ics-Cert Niagara Ax Framework And 4
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 system.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.051 (92.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 92.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.051 · newest: 0.051 · change: 0.000
Affected products
- Ics-Cert Niagara Ax Framework And 4 — versions Niagara AX Framework Versions 3.8 and prior and Niagara 4 Framework Versions 4.4 and prior
- Tridium Niagara
- Tridium Niagara Ax Framework
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.securityfocus.com/bid/105101 (VDB Entry, Third Party Advisory, vdb-entry)
- ics-cert.us-cert.gov/advisories/ICSA-18-191-03 (US Government Resource, VDB Entry, Third Party Advisory)
- ics-cert.us-cert.gov/advisories/ICSA-19-022-01
Frequently asked questions
- What is CVE-2017-16748?
- CVE-2017-16748 is a critical-severity vulnerability in Ics-Cert Niagara Ax Framework And 4, classified under Improper Authentication. CVSS score: 9.8/10. Published 2018-08-20.
- How severe is CVE-2017-16748?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-16748 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.