# CVE-2023-40933: SQL injection in n/a

> Authenticated attackers with banner privileges can execute arbitrary SQL commands via the ID parameter in Nagios XI.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 19 Sep 2023
- **Updated:** 9 Jul 2026
- **Also known as:** GHSA-cjgm-hvq2-3rwh

## What is CVE-2023-40933?

CVE-2023-40933 is a high-severity SQL injection vulnerability in Nagios Nagios Xi, published on 19 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A SQL injection vulnerability in Nagios XI v5.11.1 and below allows authenticated attackers with announcement banner configuration privileges to execute arbitrary SQL commands via the ID parameter sent to the update_banner_message() function.

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

## Which versions are affected by CVE-2023-40933?

It affects 1 product.


Products: Nagios Nagios Xi.

## How do I fix CVE-2023-40933?

No fix has been published for CVE-2023-40933 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-40933 being exploited?

There is no known exploitation of CVE-2023-40933 in the wild and no public exploit code.

Public exploit code:

- The sqlmap payload to exploit CVE-2023-40933 (github_poc): https://github.com/sealldeveloper/CVE-2023-40933-PoC

## Other vulnerabilities in Nagios Nagios Xi

- [CVE-2021-25296](https://insights.sbomify.com/CVE-2021-25296/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2021-25297](https://insights.sbomify.com/CVE-2021-25297/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2021-25298](https://insights.sbomify.com/CVE-2021-25298/): Nagios XI OS Command Injection (high 8.8, exploited in the wild)
- [CVE-2019-15949](https://insights.sbomify.com/CVE-2019-15949/): Nagios XI Remote Code Execution (high 8.8, exploited in the wild)
- [CVE-2024-24401](https://insights.sbomify.com/CVE-2024-24401/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-40933 and fix it if it is affected.

What it is: CVE-2023-40933 is a high-severity SQL injection vulnerability in Nagios Nagios Xi, published on 19 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-40933 in the wild and no public exploit code.

Affected product: Nagios Nagios Xi. 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-2023-40933/ (Markdown: https://insights.sbomify.com/CVE-2023-40933/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-40933
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-40933
- OSV: https://osv.dev/vulnerability/CVE-2023-40933

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-40933/
Summaries are generated and may contain mistakes; the official description above is the record.