# CVE-2018-0520: Cross-site request forgery in FS010W

> A CSRF vulnerability in FS010W firmware allows attackers to hijack administrator sessions, potentially leading to unauthorized device control.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **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:** 23 Feb 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-xprq-5rwr-7h56

## What is CVE-2018-0520?

CVE-2018-0520 is a high-severity vulnerability in FUJI SOFT INCORPORATED FS010W, published on 23 Feb 2018. 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

Cross-site request forgery (CSRF) vulnerability in FS010W firmware FS010W_00_V1.3.0 and earlier allows an attacker to hijack the authentication of administrators via unspecified vectors.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2018-0520?

It affects 1 product.


Products: Fsi Fs010w Firmware.

## How do I fix CVE-2018-0520?

No fix has been published for CVE-2018-0520 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-0520 being exploited?

There is no known exploitation of CVE-2018-0520 in the wild and no public exploit code.

## Other vulnerabilities in FUJI SOFT INCORPORATED FS010W

- [CVE-2018-0519](https://insights.sbomify.com/CVE-2018-0519/): Cross-site scripting in FS010W (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-0520 and fix it if it is affected.

What it is: CVE-2018-0520 is a high-severity vulnerability in FUJI SOFT INCORPORATED FS010W, published on 23 Feb 2018. 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-2018-0520 in the wild and no public exploit code.

Affected product: FUJI SOFT INCORPORATED FS010W. 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-2018-0520/ (Markdown: https://insights.sbomify.com/CVE-2018-0520/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-0520
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-0520
- OSV: https://osv.dev/vulnerability/CVE-2018-0520

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-0520/
Summaries are generated and may contain mistakes; the official description above is the record.