CVE-2021-37558

Name: CVE-2021-37558
Creator: NVD / NIST
Published: 2021-08-03T16:15:08.753+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 2.11%

Last modified Jun 17, 2026

CVE-2021-37558 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. 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. EPSS estimates a 2.11% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

2.11%

79.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-89

Affected Software

Vendor	Product	Versions
Centreon	Centreon	< 20.04.14
Centreon	Centreon	>= 20.10.0, < 20.10.8
Centreon	Centreon	>= 21.04.0, < 21.04.2

References

https://github.com/centreon/centreon/pull/9796Patch, Third Party Advisory
https://www.synacktiv.com/sites/default/files/2021-07/Centreon_Multiple_vulnerabilities_0.pdfExploit, Third Party Advisory
https://github.com/centreon/centreon/pull/9796Patch, Third Party Advisory
https://www.synacktiv.com/sites/default/files/2021-07/Centreon_Multiple_vulnerabilities_0.pdfExploit, Third Party Advisory

Timeline

Published: Aug 3, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-37558?

How severe is CVE-2021-37558?

CVE-2021-37558 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 2.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-37558?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37558?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST