What is CVE-2021-42543?

CVE-2021-42543 is a high-severity vulnerability in Azeotech Daqfactory, classified under CWE-242. CVSS score: 7.8/10. Published 2021-11-05.

How severe is CVE-2021-42543?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Azeotech Daqfactory

CVE-2021-42543

The affected application uses specific functions that could be abused through a crafted project file, which could lead to code execution, system reboot, and system shutdown.

Published 2021-11-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (56.3th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Azeotech Daqfactory — versions 18.1, All versions

Weakness classification (CWE)

CWE-242

References

us-cert.cisa.gov/ics/advisories/icsa-21-308-02 (US Government Resource, Third Party Advisory)

Frequently asked questions

What is CVE-2021-42543?: CVE-2021-42543 is a high-severity vulnerability in Azeotech Daqfactory, classified under CWE-242. CVSS score: 7.8/10. Published 2021-11-05.
How severe is CVE-2021-42543?: High severity. CVSS v3 base score is 7.8 out of 10.