# CVE-2019-20197: Command injection in n/a

> Authenticated attackers can execute arbitrary OS commands via shell metacharacters in the id parameter of schedulereport.php.

- **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:** 31 Dec 2019
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-4ccv-pj8j-48ph

## What is CVE-2019-20197?

CVE-2019-20197 is a high-severity command injection vulnerability in Nagios Nagios Xi, published on 31 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

In Nagios XI 5.6.9, an authenticated user is able to execute arbitrary OS commands via shell metacharacters in the id parameter to schedulereport.php, in the context of the web-server user account.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2019-20197?

It affects 1 product.


Products: Nagios Nagios Xi.

## How do I fix CVE-2019-20197?

No fix has been published for CVE-2019-20197 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-20197 being exploited?

There is no known exploitation of CVE-2019-20197 in the wild and no public exploit code.

Public exploit code:

- Nagios XI远程命令执行漏洞 <v5.6.9 (github_poc): https://github.com/jas502n/CVE-2019-20197
- CVE-2019-20197 (github_poc): https://github.com/lp008/CVE-2019-20197

## 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-2019-20197 and fix it if it is affected.

What it is: CVE-2019-20197 is a high-severity command injection vulnerability in Nagios Nagios Xi, published on 31 Dec 2019. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-20197 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-2019-20197/ (Markdown: https://insights.sbomify.com/CVE-2019-20197/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-20197
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-20197
- OSV: https://osv.dev/vulnerability/CVE-2019-20197

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From sbomify Insights: https://insights.sbomify.com/CVE-2019-20197/
Summaries are generated and may contain mistakes; the official description above is the record.