CRITICAL

CVE-2019-3975

CVSS v3

9.8

CRITICAL

EPSS Score

4.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2019-3975 yet.

Full record on NVD

Description

Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.1 allows a remote, unauthenticated attacker to execute arbitrary code via a crafted IOCTL 70603 RPC message.

Technical details

Published: 2019-09-10

Frequently asked questions

What is CVE-2019-3975?

Stack-based buffer overflow in Advantech WebAccess/SCADA 8.4.1 allows a remote, unauthenticated attacker to execute arbitrary code via a crafted IOCTL 70603 RPC message.

Is CVE-2019-3975 actively exploited?

Active exploitation of CVE-2019-3975 has not been confirmed. Its EPSS score was 4.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2019-3975?

CVE-2019-3975 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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