CVE-2020-22427: Nagios XI

High severity, CVSS 7.2. EPSS: 14.3% chance of exploitation in the next 30 days.

NagiosXI 5.6.11 is affected by a remote code execution (RCE) vulnerability. An authenticated nagiosadmin user can inject additional commands into a request. NOTE: the vendor disputes whether the CVE and its references are actionable because all technical details are omitted, and the only option is to pay for a subscription service where technical details may be disclosed at an unspecified later time

Affected products

• Nagios Nagios XI: version 5.6.11 only

Published 2021-02-15. Last modified 2026-06-17.