# CVE-2018-9074: Iomega and LenovoEMC NAS Web UI Vulnerabilities

> Attackers can upload files to arbitrary locations on the NAS operating system as root via the Content Explorer application.

- **Severity:** Medium 6.5 (`CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N`)
- **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:** 28 Sep 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-4hcc-63qf-cfqh

## What is CVE-2018-9074?

CVE-2018-9074 is a medium-severity path traversal vulnerability in Lenovo Group LTD EZ Media and Backup Center, published on 28 Sep 2018. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

For some Iomega, Lenovo, LenovoEMC NAS devices versions 4.1.402.34662 and earlier, the file upload functionality of the Content Explorer application is vulnerable to path traversal. As a result, users can upload files anywhere on the device's operating system as the root user.

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

## Which versions are affected by CVE-2018-9074?

It affects 1 product.


Products: Lenovo Lenovoemc Firmware.

## How do I fix CVE-2018-9074?

No fix has been published for CVE-2018-9074 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-9074 being exploited?

There is no known exploitation of CVE-2018-9074 in the wild and no public exploit code.

## Other vulnerabilities in Lenovo Group LTD EZ Media and Backup Center

- [CVE-2018-9075](https://insights.sbomify.com/CVE-2018-9075/): Iomega and LenovoEMC NAS Web UI Vulnerabilities (high 8.1)
- [CVE-2018-9076](https://insights.sbomify.com/CVE-2018-9076/): Iomega and LenovoEMC NAS Web UI Vulnerabilities (high 8.1)
- [CVE-2018-9077](https://insights.sbomify.com/CVE-2018-9077/): Iomega and LenovoEMC NAS Web UI Vulnerabilities (high 8.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-9074 and fix it if it is affected.

What it is: CVE-2018-9074 is a medium-severity path traversal vulnerability in Lenovo Group LTD EZ Media and Backup Center, published on 28 Sep 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-2018-9074 in the wild and no public exploit code.

Affected product: Lenovo Group LTD EZ Media and Backup Center. 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-2018-9074/ (Markdown: https://insights.sbomify.com/CVE-2018-9074/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-9074
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-9074
- OSV: https://osv.dev/vulnerability/CVE-2018-9074

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-9074/
Summaries are generated and may contain mistakes; the official description above is the record.