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    CVE-2021-25298

    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/cloud-vm/cloud-vm.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.

    Published:Feb 15, 2021
    Last Modified:Nov 3, 2025
    EPS:Feb 15, 2021
    EPSS Score:0.8035
    CVSS Score:8.8

    CISA Notification

    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/cloud-vm/cloud-vm.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.

    Required Action:

    Apply updates per vendor instructions.

    Notes:

    No extra notes provided.

    Due Date
    Feb 1, 2022
    1683 days ago
    Alert Date
    Jan 18, 2022
    1697 days ago

    Affected Products

    Vendor
    Nagios
    Product
    Nagios Xi

    Exploits

    http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.htmlhttps://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.mdhttps://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-andhttp://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.htmlhttp://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.htmlhttps://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.mdhttps://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and

    Related CVEs

    CVE-2026-48549 (CVSS 6.9) — Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 contains a CSRF vulnerability in cmd.cgi. When no Cook…
    CVE-2026-48554 (CVSS 7.7) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to authenticated remote code execution …
    CVE-2026-48553 (CVSS 7.7) — Nagios Core before 4.5.13 and Nagios XI before 2026R1.5 are vulnerable to authenticated remote code execution …
    CVE-2026-48552 (CVSS 5.1) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to DOM-based cross-site scripting in js…
    CVE-2026-48551 (CVSS 6.1) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 contain a cross-site request forgery protection bypass…
    CVE-2026-48550 (CVSS 5.1) — Nagios Core before 4.5.14 and Nagios XI before 2026R1.7 are vulnerable to reflected cross-site scripting in cm…
    CVE-2026-2041 (CVSS 8.8) — Nagios Host zabbixagent_configwizard_func Command Injection Remote Code Execution Vulnerability. This vulnerab…
    CVE-2026-2043 (CVSS 8.8) — Nagios Host esensors_websensor_configwizard_func Command Injection Remote Code Execution Vulnerability. This v…
    CVE-2026-2042 (CVSS 8.8) — Nagios Host monitoringwizard Command Injection Remote Code Execution Vulnerability. This vulnerability allows …
    CVE-2025-67254 (CVSS 7.5) — NagiosXI 2026R1.0.1 build 1762361101 is vulnerable to Directory Traversal in /admin/coreconfigsnapshots.php.…

    References

    http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html
    https://assets.nagios.com/downloads/nagiosxi/versions.php
    https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
    https://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and
    http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html
    http://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html
    https://assets.nagios.com/downloads/nagiosxi/versions.php
    https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md
    https://www.fastly.com/blog/anatomy-of-a-command-injection-cve-2021-25296-7-8-with-metasploit-module-and
    https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-25298

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High