Auth bypass in Moxa Nport 5100a Series Firmware
CVE-2016-9361
An issue was discovered in Moxa NPort 5110 versions prior to 2.6, NPort 5130/5150 Series versions prior to 3.6, NPort 5200 Series versions prior to 2.8, NPort 5400 Series versions prior to 3.11, NPort 5600 Series versions prior to 3.7, NPort 5100A Series & NPort P5150A versions prior to 1.3, NPort 5200A Series versions prior to 1.3, NPort 5150AI-M12 Series versions prior to 1.2, NPort 5250AI-M12 Series versions prior to 1.2, NPort 5450AI-M12 Series versions prior to 1.2, NPort 5600-8-DT Series versions prior to 2.4, NPort 5600-8-DTL Series versions prior to 2.4, NPort 6x50 Series versions prior to 1.13.11, NPort IA5450A versions prior to v1.4. Administration passwords can be retried without authenticating.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.199 (97.3th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.199 · newest: 0.199 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- ics-cert.us-cert.gov/advisories/ICSA-16-336-02 (US Government Resource, Third Party Advisory)
- www.securityfocus.com/bid/85965 (VDB Entry, Third Party Advisory, vdb-entry)
Frequently asked questions
- What is CVE-2016-9361?
- CVE-2016-9361 is a critical-severity vulnerability in Moxa Nport 5100a Series Firmware, classified under Improper Authentication. CVSS score: 9.8/10. Published 2017-02-13.
- How severe is CVE-2016-9361?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2016-9361 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.