# CVE-2023-22336: Path traversal in SS1 and Rakuraku PC Cloud

> Remote attackers can upload files to arbitrary directories, potentially leading to arbitrary code execution with SYSTEM privileges when combined with other vulnerabilities.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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:** Not needed
- **Fix available:** No
- **Published:** 5 Mar 2023
- **Updated:** 6 Mar 2025
- **Also known as:** GHSA-34gr-jxh4-rxfv

## What is CVE-2023-22336?

CVE-2023-22336 is a critical path traversal vulnerability in DOS Co., Ltd. SS1 and Rakuraku PC Cloud, published on 5 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

Path traversal vulnerability in SS1 Ver.13.0.0.40 and earlier and Rakuraku PC Cloud Agent Ver.2.1.8 and earlier allows a remote attacker to upload a specially crafted file to an arbitrary directory. As a result of exploiting this vulnerability with CVE-2023-22335 and CVE-2023-22344 vulnerabilities together, it may allow a remote attacker to execute an arbitrary code with SYSTEM privileges by sending a specially crafted script to the affected device.

Weakness: CWE-22 (Improper Limitation of a Pathname to a Restricted Directory)

## Which versions are affected by CVE-2023-22336?

It affects 2 products.


Products: Dos-Osaka Rakuraku Pc Cloud Agent, Dos-Osaka Ss1.

## How do I fix CVE-2023-22336?

No fix has been published for CVE-2023-22336 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-22336 being exploited?

There is no known exploitation of CVE-2023-22336 in the wild and no public exploit code.

## Other vulnerabilities in DOS Co., Ltd. SS1 and Rakuraku PC Cloud

- [CVE-2023-22344](https://insights.sbomify.com/CVE-2023-22344/): Hardcoded credentials in SS1 and Rakuraku PC Cloud (critical 9.8)
- [CVE-2023-22335](https://insights.sbomify.com/CVE-2023-22335/): Missing authorization in SS1 and Rakuraku PC Cloud (high 7.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-22336 and fix it if it is affected.

What it is: CVE-2023-22336 is a critical path traversal vulnerability in DOS Co., Ltd. SS1 and Rakuraku PC Cloud, published on 5 Mar 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-2023-22336 in the wild and no public exploit code.

Affected product: DOS Co., Ltd. SS1 and Rakuraku PC Cloud. 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-2023-22336/ (Markdown: https://insights.sbomify.com/CVE-2023-22336/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-22336
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-22336
- OSV: https://osv.dev/vulnerability/CVE-2023-22336

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-22336/
Summaries are generated and may contain mistakes; the official description above is the record.