OS Command Injection in R-SeeNet - CVE-2021-21805
Published: July 16, 2021
Vulnerability identifier: #VU54925
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-21805
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Advantech Co., Ltd
Affected software:
R-SeeNet
R-SeeNet
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to improper input validation in the ping.php script functionality. A remote unauthenticated attacker can pass specially crafted HTTP request to the application and execute arbitrary OS commands on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2021-21805
Install updates from vendor's website.