What is CVE-2021-42699?

CVE-2021-42699 is a medium-severity vulnerability in Azeotech Daqfactory, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.7/10. Published 2021-11-05.

How severe is CVE-2021-42699?

Medium severity. CVSS v3 base score is 5.7 out of 10.

Vulnerability in Azeotech Daqfactory

CVE-2021-42699

The affected product is vulnerable to cookie information being transmitted as cleartext over HTTP. An attacker can capture network traffic, obtain the user’s cookie and take over the account.

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

CVSS v3 metric

CVSS v3 base score 5.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (42.3th percentile), scored 2026-10-19.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 42.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Azeotech Daqfactory — versions 18.1, All versions

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

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

Frequently asked questions

What is CVE-2021-42699?: CVE-2021-42699 is a medium-severity vulnerability in Azeotech Daqfactory, classified under Cleartext Transmission of Sensitive Information. CVSS score: 5.7/10. Published 2021-11-05.
How severe is CVE-2021-42699?: Medium severity. CVSS v3 base score is 5.7 out of 10.