CVE-2021-27436

MEDIUM 6.1CVE-2021-27436 · Published 18/03/2021 · updated 17/06/2026

In short

CVE-2021-27436 is a MEDIUM (CVSS 6.1) vulnerability affecting webaccess/scada (advantech).
Chance of exploitation in the next 30 days (EPSS): 0.71%, higher than 53.7% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
webaccess/scada advantech	`≤ 9.0`	No fix yet

Description

WebAccess/SCADA Versions 9.0 and prior is vulnerable to cross-site scripting, which may allow an attacker to send malicious JavaScript code to an unsuspecting user, which could result in hijacking of the user’s cookie/session tokens, redirecting the user to a malicious webpage and performing unintended browser actions.

References

us-cert.cisa.gov/ics/advisories/icsa-21-075-01 · Third Party Advisory

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Package

Affected versions

Patched versions

webaccess/scada

advantech

≤ 9.0

No fix yet

Description

More vulnerabilities in webaccess/scada

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