How severe is CVE-2019-16899?

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

Vulnerability in Advantech Webaccess\/hmi Designer

CVE-2019-16899

In Advantech WebAccess/HMI Designer 2.1.9.31, Data from a Faulting Address controls Code Flow starting at PM_V3!CTagInfoThreadBase::GetNICInfo+0x0000000000512918.

Published 2019-09-26 · 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: 0.013 (69.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 70th percentile — 69.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Advantech Webaccess\/hmi Designer — versions 2.1.9.31

References

code610.blogspot.com/2019/09/crashing-webaccesshmi-designer-21931.html (Third Party Advisory)

Frequently asked questions

What is CVE-2019-16899?: CVE-2019-16899 is a high-severity vulnerability in Advantech Webaccess\/hmi Designer. CVSS score: 7.5/10. Published 2019-09-26.
How severe is CVE-2019-16899?: High severity. CVSS v3 base score is 7.5 out of 10.