ZeroDay Findings
Sign inSign up

Findings

CVE-2021-25298

Nagios XI OS Command Injection

Published Feb 15, 2021 · updated Jul 9, 2026 · nagios nagios xi

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.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 15, 2021 · Catalog

    Detected

    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.

  2. Jan 18, 2022 · CISA KEV

    Known exploited

    Apply updates per vendor instructions.

  3. Feb 1, 2022 · CISA KEV

    Remediation due

    Apply updates per vendor instructions.

  4. Jul 9, 2026 · Catalog

    Updated

    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.

CISA due date Feb 1, 2022

Affected

  • cpe nagios/nagios xiversion unspecified
  • vendor Nagios Nagios XIversion unspecified

Sources

  • CISA KEVCVE-2021-25298

    Nagios XI contains a vulnerability which can lead to OS command injection on the Nagios XI server.

    cisa.gov
  • CVE.orgCVE-2021-25298

    Official CVE identifier

    cve.org
  • FIRST EPSSCVE-2021-25298

    30-day exploitation probability 73.6%

    first.org
  • Metasploit Modulesexploit_linux/http/nagios_xi_configwizards_authenticated_rce

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com
  • NIST NVDCVE-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 l

    nvd.nist.gov
  • Packet Storm Securityhttp://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com
  • Packet Storm Securityhttp://packetstormsecurity.com/files/170924/Nagios-XI-5.7.5-Remote-Code-Execution.html

    Packet Storm link already published on the finding.

    packetstormsecurity.com

References