CVE-2021-21799: XSS
Cross-site scripting vulnerabilities exist in the telnetform.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.
Affected Software
Event History
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.