# CVE-2018-7947: Auth bypass in Emily-AL00A

> Attackers can bypass authentication in debug mode to install malicious applications on Huawei mobile phones.

- **Severity:** Low 3.9 (`CVSS:3.0/AV:P/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 31 Jul 2018
- **Updated:** 5 Aug 2024
- **Also known as:** GHSA-p4wm-rj32-63x3

## What is CVE-2018-7947?

CVE-2018-7947 is a low-severity authentication bypass vulnerability in Huawei Technologies Co., Ltd. Emily-AL00A, published on 31 Jul 2018. 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

Huawei mobile phones with versions earlier before Emily-AL00A 8.1.0.153(C00) have an authentication bypass vulnerability. An attacker could trick the user to connect to a malicious device. In the debug mode, the malicious software in the device may exploit the vulnerability to bypass some specific function. Successful exploit may cause some malicious applications to be installed in the mobile phones.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2018-7947?

It affects 1 product.


Products: Huawei Emily-Al00a Firmware.

## How do I fix CVE-2018-7947?

No fix has been published for CVE-2018-7947 yet. Limit exposure of the affected software until one is available.

## Is CVE-2018-7947 being exploited?

There is no known exploitation of CVE-2018-7947 in the wild and no public exploit code.

## Other vulnerabilities in Huawei Technologies Co., Ltd. Emily-AL00A

- [CVE-2019-5282](https://insights.sbomify.com/CVE-2019-5282/): Use after free in Emily-AL00A, Emily-TL00B, Emily-L09C, Emily-L29C (high 7.8)
- [CVE-2018-7925](https://insights.sbomify.com/CVE-2018-7925/): Auth bypass in Emily-AL00A (medium 6.8)
- [CVE-2018-7944](https://insights.sbomify.com/CVE-2018-7944/): Security feature bypass in Emily-AL00A (medium 6.8)
- [CVE-2018-7961](https://insights.sbomify.com/CVE-2018-7961/): Information disclosure in Emily-AL00A (medium 6.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2018-7947 and fix it if it is affected.

What it is: CVE-2018-7947 is a low-severity authentication bypass vulnerability in Huawei Technologies Co., Ltd. Emily-AL00A, published on 31 Jul 2018. 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-2018-7947 in the wild and no public exploit code.

Affected product: Huawei Technologies Co., Ltd. Emily-AL00A. 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-2018-7947/ (Markdown: https://insights.sbomify.com/CVE-2018-7947/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2018-7947
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2018-7947
- OSV: https://osv.dev/vulnerability/CVE-2018-7947

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From sbomify Insights: https://insights.sbomify.com/CVE-2018-7947/
Summaries are generated and may contain mistakes; the official description above is the record.