OS Command Injection in R6020 - CVE-2021-41383

 

OS Command Injection in R6020 - CVE-2021-41383

Published: September 21, 2021


Vulnerability identifier: #VU56758
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-2021-41383
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: NETGEAR
Affected software:
R6020

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 within the setup.cgi script in the ntp_server field. A remote unauthenticated attacker can pass specially crafted data 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-2021-41383

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Sources