# CVE-2023-5915: Denial of service in STARDOM

> Remote attackers can cause denial of service on Yokogawa STARDOM controllers by sending crafted packets, blocking maintenance access.

- **Severity:** Medium 5.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 Dec 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-h7v6-mc6c-m4w9

## What is CVE-2023-5915?

CVE-2023-5915 is a medium-severity denial of service vulnerability in Yokogawa Electric Corporation STARDOM, published on 1 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability of Uncontrolled Resource Consumption has been identified in STARDOM provided by Yokogawa Electric Corporation. This vulnerability may allow to a remote attacker to cause a denial-of-service condition to the FCN/FCJ controller by sending a crafted packet. While sending the packet, the maintenance homepage of the controller could not be accessed. Therefore, functions of the maintenance homepage, changing configuration, viewing logs, etc. are not available. But the controller’s operation is not stopped by the condition.

The affected products and versions are as follows: STARDOM FCN/FCJ R1.01 to R4.31.

Weakness: CWE-400 (Uncontrolled Resource Consumption)

## Which versions are affected by CVE-2023-5915?

It affects 2 products.


Products: Yokogawa Stardom Fcj Firmware, Yokogawa Stardom Fcn Firmware.

## How do I fix CVE-2023-5915?

No fix has been published for CVE-2023-5915 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-5915 being exploited?

There is no known exploitation of CVE-2023-5915 in the wild and no public exploit code.

## Other vulnerabilities in Yokogawa Electric Corporation STARDOM

- [CVE-2022-29519](https://insights.sbomify.com/CVE-2022-29519/): Information disclosure in STARDOM Controller (high 7.5)
- [CVE-2022-30997](https://insights.sbomify.com/CVE-2022-30997/): Hardcoded credentials in STARDOM Controller (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-5915 and fix it if it is affected.

What it is: CVE-2023-5915 is a medium-severity denial of service vulnerability in Yokogawa Electric Corporation STARDOM, published on 1 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-5915 in the wild and no public exploit code.

Affected product: Yokogawa Electric Corporation STARDOM. 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-2023-5915/ (Markdown: https://insights.sbomify.com/CVE-2023-5915/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-5915
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-5915
- OSV: https://osv.dev/vulnerability/CVE-2023-5915

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-5915/
Summaries are generated and may contain mistakes; the official description above is the record.