CVE-2019-3975

Name: CVE-2019-3975
Creator: NVD / NIST
Published: 2019-09-10T16:15:12.667+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.57%

Last modified Jun 17, 2026

CVE-2019-3975 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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.. EPSS estimates a 4.57% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

4.57%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions
Advantech	Webaccess	8.4.1

References

https://www.tenable.com/security/research/tra-2019-41Exploit, Third Party Advisory
https://www.tenable.com/security/research/tra-2019-41Exploit, Third Party Advisory

Timeline

Published: Sep 10, 2019
Last Modified: Jun 17, 2026
Status: Modified

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.

How severe is CVE-2019-3975?

CVE-2019-3975 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.57% probability of exploitation in the next 30 days.

How do I fix CVE-2019-3975?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-3975?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST