CVE-2021-21804
First published: Fri Jul 16 2021(Updated: )
A local file inclusion (LFI) vulnerability exists in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary PHP code execution. An attacker can send a crafted HTTP request 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 CVE-2021-21804?
CVE-2021-21804 is a local file inclusion (LFI) vulnerability in the options.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020).
What is the severity of CVE-2021-21804?
CVE-2021-21804 is considered critical with a severity score of 9.8 out of 10.
How does CVE-2021-21804 affect Advantech R-SeeNet?
CVE-2021-21804 allows arbitrary PHP code execution in Advantech R-SeeNet v 2.4.12 (20.10.2020) when a specially crafted HTTP request is sent.
How can an attacker exploit CVE-2021-21804?
An attacker can exploit CVE-2021-21804 by sending a crafted HTTP request to trigger the local file inclusion vulnerability and execute arbitrary PHP code.
Is there a fix for CVE-2021-21804?
At the time of this report, no official fix or patch has been released for CVE-2021-21804. It is recommended to update to a newer version or apply any available security updates provided by the vendor.
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