CVE-2021-21799

Public Exploit

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 75.98% Top 5%
Third-Party Advisory talosintelligence.com
Affected: n/a Advantech
Published at:
Updated at:

References

Link Tags
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1270 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-21799?
CVE-2021-21799 has been scored as a medium severity vulnerability.
How to fix CVE-2021-21799?
To fix CVE-2021-21799, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-21799 being actively exploited in the wild?
It is possible that CVE-2021-21799 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~76% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-21799?
CVE-2021-21799 affects n/a Advantech.
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