CVE-2021-32956

mediumpriority · track · 24EPSS 0.007 · 53 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.70% (53rd) EPSS

CVSS 5.8 · medium

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-27

Advantech WebAccess/SCADA Versions 9.0.1 and prior is vulnerable to redirection, which may allow an attacker to send a maliciously crafted URL that could result in redirecting a user to a malicious webpage.

remediations

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

No vendor fix yet; a mitigation is available.

MitigationWebAccess/SCADAcisa_csaf_ot
For more information, contact Advantech via website or phone (1-888-576-9668).
https://www.advantech.com/support

cvss

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

7.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.6–7.3

v2.05.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 4.9

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.07.3highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · CISA US

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-601USCWE-601US

affected products (4)

Products and version ranges known to be affected.

WebAccess/SCADA: Versions 9.0.1 and priorall versionscisa_csaf_otUS
Advantech WebAccess/SCADA≤ 9.0.1cisa_csaf_otUS
n/a Advantech WebAccess/SCADA≤ WebAccess/SCADA Versions 9.0.1 and priorenisa_euvdEU
advantech webaccess/scada≤ 9.0.1nvdUScpe:2.3:a:advantech:webaccess\/scada:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

ICSA-21-168-03Advantech WebAccess/SCADA (Update A)2021-06-17icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow an attacker to read files outside the intended directory or redirect a user to a malicious webpage.

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 2021-06-18modified 2026-06-17

references (6)

External citations — patches, advisories, analysis.

scry

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