AzeoTech DAQFactory

published 2021-11-15 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29666

cvss: 7.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 21%
public exploits: 0; none known

This vulnerability could allow an attacker to disclose information and execute arbitrary code on affected installations of WebAccess/MHI Designer

Patch / fix

fixed in 1

advantech webaccess_hmi_designer 2.1.11.0

Vendor advisories

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

cisa ICSA-21-173-01 updated 2021-11-09 cvss 7.8

Advantech WebAccess HMI Designer (Update A)

Advantech WebAccess HMI Designer < 2.1.11.0
affected: vendor fix, mitigation “Specific questions should be directed to Advantech customer service.” advantech.com

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

0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD	2.0	4.6	AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected products

Advantech HMI Designer

Classification

Weakness

CWE-416 Use After Free

References

us-cert.cisa.gov /ics/advisories/icsa-21-173-01
third-party-advisory, us-government-resource

Sources

CVE List CVE-2021-42706
NVD CVE-2021-42706

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