CVE-2021-42699

mediumpriority · track · 24OT risk · elevatedEPSS 0.005 · 43 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.51% (43rd) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

No vendor fix yet; a mitigation is available.

MitigationDAQFactorycisa_csaf_ot
Users are discouraged from using documents from unknown/untrusted sources.

cvss

Technical severity, 0–10. One row per scoring source.

5.9

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.15.9mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:Nprimary · NVD / NIST USexploitability 2.2 · impact 3.6

v3.05.7mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:Nsecondary · CISA US

v3.15.7mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:Nsecondary · ENISA EU

v3.15.7mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:Nsecondary · ics-cert@hq.dhs.gov USexploitability 2.1 · impact 3.6

v3.15.4mediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-319USCWE-319US

affected products (5)

Products and version ranges known to be affected.

DAQFactory: All Versions 18.1 Build 2347 and priorall versionscisa_csaf_otUS
AzeoTech DAQFactory< 18.1 Build 2347cisa_csaf_otUS
AzeoTech DAQFactory≤ All versions ≤New versionenisa_euvdEU
azeotech daqfactory≤ 18.1nvdUScpe:2.3:a:azeotech:daqfactory:*:*:*:*:*:*:*:*
azeotech daqfactory= 18.1nvdUScpe:2.3:a:azeotech:daqfactory:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-21-308-02AzeoTech DAQFactory2021-11-04icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow code execution, memory corruption, or unauthorized access to user information.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd NVD CVE.org MITRE

published 2021-11-05modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

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