# CVE-2018-15481: Command injection in n/a

> Authenticated attackers can escape the restricted shell and escalate privileges by injecting commands into the SSH configuration file on UCOPIA appliances.

- **Severity:** High 8.8 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 21 Aug 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-79hf-9859-3q69

## What is CVE-2018-15481?

CVE-2018-15481 is a high-severity command injection vulnerability in n/a, published on 21 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

Improper input sanitization within the restricted administration shell on UCOPIA Wireless Appliance devices using firmware version 5.1.x before 5.1.13 allows authenticated remote attackers to escape the shell and escalate their privileges by adding a LocalCommand to the SSH configuration file in the user home folder.

Weakness: CWE-78 (Improper Neutralization of Special Elements used in an OS Command)

## Which versions are affected by CVE-2018-15481?

It affects 1 product.


Products: Ucopia Wireless Appliance Firmware.

## How do I fix CVE-2018-15481?

No fix has been published for CVE-2018-15481 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-15481 being exploited?

There is no known exploitation of CVE-2018-15481 in the wild and no public exploit code.

## Other vulnerabilities in n/a

- [CVE-2022-44720](https://insights.sbomify.com/CVE-2022-44720/): Command injection in n/a (critical 9.8)
- [CVE-2022-44719](https://insights.sbomify.com/CVE-2022-44719/): Misconfiguration in n/a (high 7.5)
- [CVE-2017-17743](https://insights.sbomify.com/CVE-2017-17743/): Privilege escalation in n/a (medium 6.7)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-15481 and fix it if it is affected.

What it is: CVE-2018-15481 is a high-severity command injection vulnerability in n/a, published on 21 Aug 2018. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-15481 in the wild and no public exploit code.

Affected product: n/a. 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-2018-15481/ (Markdown: https://insights.sbomify.com/CVE-2018-15481/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-15481
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-15481
- OSV: https://osv.dev/vulnerability/CVE-2018-15481

---
From sbomify Insights: https://insights.sbomify.com/CVE-2018-15481/
Summaries are generated and may contain mistakes; the official description above is the record.