OS Command Injection in Nagios XI - CVE-2021-25296
Published: February 16, 2021 / Updated: February 7, 2023
Vulnerability identifier: #VU50726
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2021-25296
CWE-ID: CWE-78
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vendor: nagios.org
Affected software:
Nagios XI
Nagios XI
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 "/usr/local/nagiosxi/html/includes/configwizards/windowswmi/windowswmi.inc.php" file. A remote authenticated 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-2021-25296
Install updates from vendor's website.