CVEvulnerability
CVE-2021-25296
CISA Known Exploited Vulnerability
Nagios XI OS Command Injection — Nagios Nagios XI
Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server.
- Added to KEV
- 2022-01-18
- Remediation due
- 2022-02-01
- Ransomware use
- Unknown
- Required action
- Apply updates per vendor instructions.
- Notes
- https://nvd.nist.gov/vuln/detail/CVE-2021-25296
- Status
- Analyzed
- Published
- 2021-02-15
- Last modified
- 2026-07-09
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 9.0 HIGH — AV:N/AC:L/Au:S/C:C/I:C/A:C
Description
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.
Affected configurations
• nagios nagios xi (>= 5.5.6 <= 5.7.5)
References
- http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- https://assets.nagios.com/downloads/nagiosxi/versions.php Product
- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md Exploit, Third Party Advisory
- https://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and Exploit, Third Party Advisory
- http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html Third Party Advisory, VDB Entry
- https://assets.nagios.com/downloads/nagiosxi/versions.php Product
- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md Exploit, Third Party Advisory
- https://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and Exploit, Third Party Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25296 US Government Resource