# CVE-2021-37558: SQL injection in n/a

> Remote unauthenticated attackers can execute arbitrary SQL commands in Centreon if a valid Knowledge Base URL is configured.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 3 Aug 2021
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-6v98-88gr-xr2r

## What is CVE-2021-37558?

CVE-2021-37558 is a critical SQL injection vulnerability in Centreon Centreon, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### 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.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2021-37558?

It affects 1 product.


Products: Centreon Centreon.

## How do I fix CVE-2021-37558?

No fix has been published for CVE-2021-37558 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-37558 being exploited?

There is no known exploitation of CVE-2021-37558 in the wild and no public exploit code.

## Other vulnerabilities in Centreon Centreon

- [CVE-2019-17647](https://insights.sbomify.com/CVE-2019-17647/): SQL injection in n/a (critical 9.8)
- [CVE-2018-21024](https://insights.sbomify.com/CVE-2018-21024/): File upload in n/a (critical 9.8)
- [CVE-2019-16194](https://insights.sbomify.com/CVE-2019-16194/): SQL injection in Centreon (critical 9.8)
- [CVE-2018-19281](https://insights.sbomify.com/CVE-2018-19281/): Centreon allows SNMP trap SQL Injection (critical 9.8)
- [CVE-2018-11587](https://insights.sbomify.com/CVE-2018-11587/): Centreon RCE Vulnerability (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-37558 and fix it if it is affected.

What it is: CVE-2021-37558 is a critical SQL injection vulnerability in Centreon Centreon, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-37558 in the wild and no public exploit code.

Affected product: Centreon Centreon. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-37558/ (Markdown: https://insights.sbomify.com/CVE-2021-37558/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-37558
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-37558
- OSV: https://osv.dev/vulnerability/CVE-2021-37558

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-37558/
Summaries are generated and may contain mistakes; the official description above is the record.