CVE-2021-21805

Description

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.

NVD

Severity: CRITICAL
CVE ID: CVE-2021-21805
CVSS Score: 9.8
CVSS Metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Talos

Severity: CRITICAL
CVE ID: CVE-2021-21805
CVSS Score: 9.8
CVSS Metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Refrence: NVDMITRE

Proof Of Concept

Nuclei Templates for CVE-2021-21805

Refrence: Project Discovery GitHub