# CVE-2020-11749: Cross-site scripting in n/a

> Attackers can trigger XSS via SNMP scanning to achieve remote code execution with root or apache2 privileges in Pandora FMS.

- **Severity:** Critical 9.0 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/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:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Jul 2020
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-w3g2-8xhr-cpj2

## What is CVE-2020-11749?

CVE-2020-11749 is a critical cross-site scripting vulnerability in n/a, published on 13 Jul 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Pandora FMS 7.0 NG <= 746 suffers from Multiple XSS vulnerabilities in different browser views. A network administrator scanning a SNMP device can trigger a Cross Site Scripting (XSS), which can run arbitrary code to allow Remote Code Execution as root or apache2.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2020-11749?

It affects 1 product.


Products: Pandorafms Pandora Fms.

## How do I fix CVE-2020-11749?

No fix has been published for CVE-2020-11749 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-11749 being exploited?

There is no known exploitation of CVE-2020-11749 in the wild and no public exploit code.

Public exploit code:

- PandoraFMS 7.0 NG 746 - Persistent Cross-Site Scripting (exploitdb)

## Other vulnerabilities in n/a

- [CVE-2021-34074](https://insights.sbomify.com/CVE-2021-34074/): File upload in n/a (critical 9.8)
- [CVE-2020-13854](https://insights.sbomify.com/CVE-2020-13854/): Privilege escalation in n/a (critical 9.8)
- [CVE-2020-13851](https://insights.sbomify.com/CVE-2020-13851/): Command injection in n/a (high 8.8)
- [CVE-2025-34088](https://insights.sbomify.com/CVE-2025-34088/): Pandora FMS Authenticated Remote Code Execution via Ping Module (high 8.6)
- [CVE-2024-9987](https://insights.sbomify.com/CVE-2024-9987/): SQL Injection in CSV Module Data Collection (high 8.6)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-11749 and fix it if it is affected.

What it is: CVE-2020-11749 is a critical cross-site scripting vulnerability in n/a, published on 13 Jul 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2020-11749 in the wild and no public exploit code.

Affected product: n/a. 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-2020-11749/ (Markdown: https://insights.sbomify.com/CVE-2020-11749/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-11749
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-11749
- OSV: https://osv.dev/vulnerability/CVE-2020-11749

---
From sbomify Insights: https://insights.sbomify.com/CVE-2020-11749/
Summaries are generated and may contain mistakes; the official description above is the record.