CVE-2018-18999

Name: CVE-2018-18999
Creator: NVD / NIST
Published: 2018-12-19T18:29:00.203+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 2.31%

Last modified Jun 17, 2026

CVE-2018-18999 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.. EPSS estimates a 2.31% chance of exploitation in the next 30 days.

Description

WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

2.31%

81.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Advantech	Webaccess\/Scada	8.3.2

References

http://www.securityfocus.com/bid/106245Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-352-02Third Party Advisory, US Government Resource
https://www.tenable.com/security/research/tra-2018-45Third Party Advisory
http://www.securityfocus.com/bid/106245Third Party Advisory, VDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-18-352-02Third Party Advisory, US Government Resource
https://www.tenable.com/security/research/tra-2018-45Third Party Advisory

Timeline

Published: Dec 19, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-18999?

WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1. Lack of proper validation of user supplied input may allow an attacker to cause the overflow of a buffer on the stack.

How severe is CVE-2018-18999?

CVE-2018-18999 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 2.31% probability of exploitation in the next 30 days.

How do I fix CVE-2018-18999?

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-2018-18999?

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

Scan your code now

Source: NVD / NIST