CVE-2021-21799: XSS
First published: Fri Jul 16 2021(Updated: )
Cross-site scripting vulnerabilities exist in the telnet_form.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). If a user visits a specially crafted URL, it can lead to arbitrary JavaScript code execution in the context of the targeted user’s browser. An attacker can provide a crafted URL to trigger this vulnerability.
Credit: talos-cna@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Advantech R-SeeNet | =2.4.12 |
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Frequently Asked Questions
What is the severity of CVE-2021-21799?
The severity of CVE-2021-21799 is critical.
What is CVE-2021-21799?
CVE-2021-21799 is a cross-site scripting vulnerability that exists in the telnet_form.php script functionality of Advantech R-SeeNet v 2.4.12.
How does CVE-2021-21799 work?
If a user visits a specially crafted URL, it can lead to arbitrary JavaScript code execution in the context of the targeted user’s browser.
What is the affected software of CVE-2021-21799?
The affected software of CVE-2021-21799 is Advantech R-SeeNet v 2.4.12.
How can I fix CVE-2021-21799?
To fix CVE-2021-21799, it is recommended to apply the necessary security patches or updates provided by Advantech.
- collector/nvd-index
- agent/references
- agent/weakness
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- agent/description
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- agent/softwarecombine
- agent/first-publish-date
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- vendor/advantech
- canonical/advantech r-seenet
- version/advantech r-seenet/2.4.12