What’s Vulnerable › Vulnerabilities

CVE-2021-37349

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-08-13 · updated 2026-06-17

Description

Nagios XI before version 5.8.5 is vulnerable to local privilege escalation because cleaner.php does not sanitise input read from the database.

Affected products

Nagios XI: before 5.8.5 — fixed in 5.8.5

How to fix

Upgrade to a fixed version: Nagios XI 5.8.5. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2021-37349 or the next vulnerability affects your stack