CVE-2021-21805: OS Command Injection
First published: Thu Aug 05 2021(Updated: )
An OS Command Injection vulnerability exists in the ping.php script functionality of Advantech R-SeeNet v 2.4.12 (20.10.2020). A specially crafted HTTP request can lead to arbitrary OS command 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-2021-21805?
CVE-2021-21805 is an OS Command Injection vulnerability in Advantech R-SeeNet v 2.4.12 (20.10.2020) that allows arbitrary OS command execution.
How severe is CVE-2021-21805?
CVE-2021-21805 has a severity rating of 9.8 (Critical).
How does CVE-2021-21805 affect Advantech R-SeeNet?
CVE-2021-21805 affects Advantech R-SeeNet version 2.4.12 (20.10.2020) and allows for the execution of arbitrary OS commands.
How can an attacker exploit CVE-2021-21805?
An attacker can exploit CVE-2021-21805 by sending a specially crafted HTTP request to the ping.php script, allowing for the execution of arbitrary OS commands.
Are there any known fixes for CVE-2021-21805?
At the time of writing, there are no known fixes for CVE-2021-21805. It is recommended to contact the vendor for further information.
- collector/nvd-index
- vendor/advantech
- canonical/advantech r-seenet
- version/advantech r-seenet/2.4.12