CVE-2020-35269: Nagios Core

High severity, CVSS 8.8. EPSS: 2.3% chance of exploitation in the next 30 days.

Nagios Core application version 4.2.4 is vulnerable to Site-Wide Cross-Site Request Forgery (CSRF) in many functions, like adding – deleting for hosts or servers.

Affected products

• Nagios Nagios Core: version 4.2.4 only

Published 2020-12-23. Last modified 2026-06-17.