WebAccess/SCADA, WebAccess/SCADA Version 8.3.2 installed on Windows 2008 R2 SP1.

published 2018-12-19 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-10703

cvss: 7.3; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.3%; EPSS 2.3% chance of exploitation in 30 days, percentile 83%
public exploits: 0; none known

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-18-352-02 updated 2018-12-18 cvss 7.3

Advantech WebAccess/SCADA

Advantech WebAccess/SCADA 8.3.2 on Windows 2008 Rs SP1
affected: vendor fix

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

Exploit prediction

2.31% chance of exploitation in the next 30 days, higher than 83% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
NVD	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
NVD	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

n/a WebAccess/SCADA

Classification

Weakness

CWE-20 Improper Input Validation
CWE-787 Out-of-bounds Write

References

tenable.com /security/research/tra-2018-45
third-party-advisory
ics-cert.us-cert.gov /advisories/ICSA-18-352-02
third-party-advisory, us-government-resource
securityfocus.com /bid/106245
vdb-entry, third-party-advisory

Sources

CVE List CVE-2018-18999
NVD CVE-2018-18999

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary