What’s Vulnerable › Vulnerabilities

CVE-2021-37558

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-08-03 · updated 2026-06-17
• Weakness: CWE-89

Description

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: before 20.04.14; from 20.10.0 before 20.10.8; from 21.04.0 before 21.04.2 — fixed in 20.04.14, 20.10.8, 21.04.2

How to fix

Upgrade to a fixed version: centreon 20.04.14, 20.10.8, 21.04.2. Check the vendor advisory for mitigations.

References

• https://github.com/centreon/centreon/pull/9796
• https://www.synacktiv.com/sites/default/files/2021-07/Centreon_Multiple_vulnerabilities_0.pdf
• https://github.com/centreon/centreon/pull/9796
• https://www.synacktiv.com/sites/default/files/2021-07/Centreon_Multiple_vulnerabilities_0.pdf

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