VULNERABILITY INTELLIGENCE

CVE-2019-6550

CVSS score9.8 CRITICAL

EPSS probability6.09%

CISA KEVNot currently listed

Published2019-04-05

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Advantech WebAccess/SCADA, Versions 8.3.5 and prior. Multiple stack-based buffer overflow vulnerabilities, caused by a lack of proper validation of the length of user-supplied data, may allow remote code execution.

Weakness classification

CWE-121: Stack-based Buffer Overflow
CWE-787: Out-of-bounds Write

Primary references

ics-cert@hq.dhs.gov — Third Party Advisory, US Government Resource
ics-cert@hq.dhs.gov — Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, US Government Resource
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry