# CVE-2020-12814: Cross-site scripting in Fortinet FortiAnalyzer

> Attackers can execute unauthorized code or commands via crafted requests to the FortiAnalyzer web GUI, potentially compromising the system.

- **Severity:** Medium 4.1 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N/E:X/RL:X/RC:X`)
- **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:** 2 Nov 2021
- **Updated:** 25 Oct 2024
- **Also known as:** GHSA-x958-96gq-xmx6

## What is CVE-2020-12814?

CVE-2020-12814 is a medium-severity cross-site scripting vulnerability in Fortinet Fortianalyzer, published on 2 Nov 2021. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiAnalyzer version 6.0.6 and below, version 6.4.4 allows attacker to execute unauthorized code or commands via specifically crafted requests to the web GUI.

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

## Which versions are affected by CVE-2020-12814?

It affects 1 product.


Products: Fortinet Fortianalyzer.

## How do I fix CVE-2020-12814?

No fix has been published for CVE-2020-12814 yet. Limit exposure of the affected software until one is available.

## Is CVE-2020-12814 being exploited?

There is no known exploitation of CVE-2020-12814 in the wild and no public exploit code.

## Other vulnerabilities in Fortinet Fortianalyzer

- [CVE-2026-24858](https://insights.sbomify.com/CVE-2026-24858/): Fortinet Multiple Products Authentication Bypass Using an Alternate Path or Channel (critical 9.4, exploited in the wild)
- [CVE-2023-25610](https://insights.sbomify.com/CVE-2023-25610/): Memory corruption in FortiAnalyzer (critical 9.3)
- [CVE-2021-32603](https://insights.sbomify.com/CVE-2021-32603/): Server-side request forgery in Fortinet FortiAnalyzer, FortiManager (high 8.8)
- [CVE-2020-12817](https://insights.sbomify.com/CVE-2020-12817/): Cross-site scripting in Fortinet FortiAnalyzer (high 8.8)
- [CVE-2024-48886](https://insights.sbomify.com/CVE-2024-48886/): Auth bypass in FortiOS (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2020-12814 and fix it if it is affected.

What it is: CVE-2020-12814 is a medium-severity cross-site scripting vulnerability in Fortinet Fortianalyzer, published on 2 Nov 2021. 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-2020-12814 in the wild and no public exploit code.

Affected product: Fortinet Fortianalyzer. 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-2020-12814/ (Markdown: https://insights.sbomify.com/CVE-2020-12814/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2020-12814
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2020-12814
- OSV: https://osv.dev/vulnerability/CVE-2020-12814

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From sbomify Insights: https://insights.sbomify.com/CVE-2020-12814/
Summaries are generated and may contain mistakes; the official description above is the record.