What is CVE-2019-9098?

CVE-2019-9098 is a high-severity vulnerability in Moxa Mb3170, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2020-03-11.

How severe is CVE-2019-9098?

High severity. CVSS v3 base score is 7.5 out of 10.

Integer overflow in Moxa Mb3170

CVE-2019-9098

An issue was discovered on Moxa MGate MB3170 and MB3270 devices before 4.1, MB3280 and MB3480 devices before 3.1, MB3660 devices before 2.3, and MB3180 devices before 2.1. An Integer overflow in the built-in web server allows remote attackers to initiate DoS.

Vulnerability class: Integer Overflow

Published 2020-03-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.022 (81.6th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 82nd percentile — 81.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.022 · newest: 0.022 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

www.us-cert.gov/ics/advisories/icsa-20-056-01 (US Government Resource, Third Party Advisory)
www.moxa.com/en/support/support/security-advisory/mb3710-3180-3270-3280-3480-36… (Vendor Advisory)

Frequently asked questions

What is CVE-2019-9098?: CVE-2019-9098 is a high-severity vulnerability in Moxa Mb3170, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2020-03-11.
How severe is CVE-2019-9098?: High severity. CVSS v3 base score is 7.5 out of 10.