# CVE-2022-23439: Server-side request forgery in FortiADC

> Attackers can poison web caches via crafted HTTP requests with arbitrary Host headers, potentially exposing sensitive data or bypassing security controls.

- **Severity:** Medium 4.1 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 22 Jan 2025
- **Updated:** 14 Jan 2026
- **Also known as:** GHSA-xw2g-vg83-c99r

## What is CVE-2022-23439?

CVE-2022-23439 is a medium-severity server-side request forgery vulnerability in Fortinet Fortios, published on 22 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A externally controlled reference to a resource in another sphere vulnerability in Fortinet  allows attacker to poison web caches via crafted HTTP requests, where the `Host` header points to an arbitrary webserver

Weakness: CWE-610 (Externally Controlled Reference to a Resource in Another Sphere)

## Which versions are affected by CVE-2022-23439?

It affects 14 products.


Products: Fortinet Fortiadc, Fortinet Fortiauthenticator, Fortinet Fortiddos, Fortinet Fortiddos-F, Fortinet Fortimail, Fortinet Fortindr, Fortinet Fortios, Fortinet Fortiproxy, Fortinet Fortirecorder, Fortinet Fortisoar, Fortinet Fortiswitch, Fortinet Fortitester, Fortinet Fortivoice, Fortinet Fortiwlc.

## How do I fix CVE-2022-23439?

No fix has been published for CVE-2022-23439 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-23439 being exploited?

There is no known exploitation of CVE-2022-23439 in the wild and no public exploit code.

## Other vulnerabilities in Fortinet Fortios

- [CVE-2018-13374](https://insights.sbomify.com/CVE-2018-13374/): Fortinet FortiOS and FortiADC Improper Access Control (medium 4.3, exploited in the wild)
- [CVE-2022-38374](https://insights.sbomify.com/CVE-2022-38374/): Cross-site scripting in Fortinet FortiADC (high 8.8)
- [CVE-2023-37933](https://insights.sbomify.com/CVE-2023-37933/): Cross-site scripting in FortiADC (high 8.6)
- [CVE-2022-39947](https://insights.sbomify.com/CVE-2022-39947/): Command injection in FortiADC (high 8.6)
- [CVE-2022-35851](https://insights.sbomify.com/CVE-2022-35851/): Cross-site scripting in Fortinet FortiADC (high 8.0)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-23439 and fix it if it is affected.

What it is: CVE-2022-23439 is a medium-severity server-side request forgery vulnerability in Fortinet Fortios, published on 22 Jan 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-23439 in the wild and no public exploit code.

Affected product: Fortinet Fortios. 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-2022-23439/ (Markdown: https://insights.sbomify.com/CVE-2022-23439/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-23439
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-23439
- OSV: https://osv.dev/vulnerability/CVE-2022-23439

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-23439/
Summaries are generated and may contain mistakes; the official description above is the record.