CVE-2021-36366

CRITICAL 9.8CVE-2021-36366 · Published 28/09/2021 · updated 17/06/2026

In short

CVE-2021-36366 is a CRITICAL (CVSS 9.8) vulnerability affecting nagios xi (nagios).
Chance of exploitation in the next 30 days (EPSS): 4.0%, higher than 90.5% of all vulnerabilities.
Fix: update to 5.8.5 or later.

Package	Affected versions	Patched versions
nagios xi nagios	`< 5.8.5`	`5.8.5`

Nagios XI before 5.8.5 incorrectly allows manage_services.sh wildcards.

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