# 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.

- Page: https://www.vulneraibility.com/cve/CVE-2021-25296
- CVSS: 8.8
- Known exploited: yes, in CISA KEV since 2022-01-18; CISA due date 2022-02-01
- EPSS: 71.94% (percentile 99.4)
- Public exploit code: 1 Metasploit module · 1 Nuclei template
- CISA SSVC: exploitation active, automatable no, technical impact total (assessed 2025-02-04)
- Published: 2021-02-15

## Affected

- nagios:nagios_xi

## References

- [other] https://assets.nagios.com/downloads/nagiosxi/versions.php
- [other] https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
- [other] http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html
- [other] http://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html
- [other] https://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and
- [other] https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25296

---
Summary, impact and action are written by the vulneraibility.com AI analysis pipeline from the CVE record, NVD, CISA and FIRST data; verify against the references.