# CVE-2017-2699: File upload in Honor 7, Mate S,LYO-L21

> Attackers can upload malicious theme packs to execute arbitrary code and escalate privileges on Huawei devices via the Themes application.

- **Severity:** High 7.8 (`CVSS:3.0/AV:L/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:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 22 Nov 2017
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-gqq5-75vx-5rw6

## What is CVE-2017-2699?

CVE-2017-2699 is a high-severity vulnerability in Huawei Technologies Co., Ltd. Honor 7, Mate S,LYO-L21, published on 22 Nov 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

### Official description

The Huawei Themes APP in versions earlier than PLK-UL00C17B385, versions earlier than CRR-L09C432B380, versions earlier than LYO-L21C577B128 has a privilege elevation vulnerability. An attacker could exploit this vulnerability to upload theme packs containing malicious files and trick users into installing the theme packets, resulting in the execution of arbitrary code.

Weakness: CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2017-2699?

It affects 3 products.


Products: Huawei Honor 7 Firmware, Huawei Lyo-L21 Firmware, Huawei Mate S Firmware.

## How do I fix CVE-2017-2699?

No fix has been published for CVE-2017-2699 yet. Limit exposure of the affected software until one is available.

## Is CVE-2017-2699 being exploited?

There is no known exploitation of CVE-2017-2699 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2017-2699 and fix it if it is affected.

What it is: CVE-2017-2699 is a high-severity vulnerability in Huawei Technologies Co., Ltd. Honor 7, Mate S,LYO-L21, published on 22 Nov 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2017-2699 in the wild and no public exploit code.

Affected product: Huawei Technologies Co., Ltd. Honor 7, Mate S,LYO-L21. 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-2017-2699/ (Markdown: https://insights.sbomify.com/CVE-2017-2699/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2017-2699
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2017-2699
- OSV: https://osv.dev/vulnerability/CVE-2017-2699

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From sbomify Insights: https://insights.sbomify.com/CVE-2017-2699/
Summaries are generated and may contain mistakes; the official description above is the record.