CVE-2021-25296
Nagios XI OS Command Injection
CVSS
8.8
High
EPSS
72.2%
p99
KEV
YES
Jan 18, 2022
Exploit Today
80
0-100
Published: Feb 15, 2021 · Last modified: Jul 9, 2026
Product
Nagios / Nagios XI
Vulnerability
Nagios XI OS Command Injection
Added to KEV
Jan 18, 2022
Remediate by
Feb 1, 2022
Known ransomware use
No
Summary description
Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server.
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-25296
Nagios XI version xi-5.7.5 is affected by OS command injection. The vulnerability exists in the file /usr/local/nagiosxi/html/includes/configwizards/windowswmi/windowswmi.inc.php due to improper sanitization of authenticated user-controlled input by a single HTTP request, which can lead to OS command injection on the Nagios XI server.
- packetstormsecurity.comhttp://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html
- assets.nagios.comhttps://assets.nagios.com/downloads/nagiosxi/versions.php
- github.comhttps://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
- www.fastly.comhttps://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and
- packetstormsecurity.comhttp://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html
- packetstormsecurity.comhttp://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html
- assets.nagios.comhttps://assets.nagios.com/downloads/nagiosxi/versions.php
- github.comhttps://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
- www.fastly.comhttps://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and
- www.cisa.govhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25296