CVE-2021-27436: XSS
First published: Thu Mar 18 2021(Updated: )
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.
Credit: ics-cert@hq.dhs.gov
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech WebAccess/SCADA | <=9.0 | |
| Advantech WebAccess/SCADA |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-27436?
CVE-2021-27436 has a medium severity rating due to its potential to allow cross-site scripting attacks.
How do I fix CVE-2021-27436?
To mitigate CVE-2021-27436, upgrade to WebAccess/SCADA version 9.1 or later, which includes patches for this vulnerability.
Which versions of WebAccess/SCADA are affected by CVE-2021-27436?
CVE-2021-27436 affects WebAccess/SCADA versions 9.0 and prior.
What types of attacks can be executed through CVE-2021-27436?
CVE-2021-27436 allows attackers to execute cross-site scripting attacks that can hijack user sessions or redirect users to malicious sites.
Who is the vendor responsible for CVE-2021-27436?
The vendor responsible for CVE-2021-27436 is Advantech.
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- version/advantech webaccess/scada/9.0