Is CVE-2021-37558 actively exploited?

No active exploitation of CVE-2021-37558 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2021-37558 be exploited remotely?

Yes. CVE-2021-37558 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2021-37558?

CVE-2021-37558 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2021-37558

CRITICAL

CVE-2021-37558

CWE-89Published: August 3, 2021· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2021-37558 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.