CVE-2021-37558: Centreon

Critical severity, CVSS 9.8. EPSS: 2.1% chance of exploitation in the next 30 days.

A SQL injection vulnerability in a MediaWiki script in Centreon before 20.04.14, 20.10.8, and 21.04.2 allows remote unauthenticated attackers to execute arbitrary SQL commands via the host_name and service_description parameters. The vulnerability can be exploited only when a valid Knowledge Base URL is configured on the Knowledge Base configuration page and points to a MediaWiki instance. This relates to the proxy feature in class/centreon-knowledge/ProceduresProxy.class.php and include/configuration/configKnowledge/proxy/proxy.php.

Affected products

• Centreon Centreon: before 20.04.14 (fixed in 20.04.14); from 20.10.0, before 20.10.8 (fixed in 20.10.8); from 21.04.0, before 21.04.2 (fixed in 21.04.2)

Published 2021-08-03. Last modified 2026-06-17.