# CVE-2019-5220: Auth bypass in Honor Magic 2

> Attackers can bypass Factory Reset Protection on Huawei smartphones by exploiting insufficient permission verification during the setup wizard.

- **Severity:** Medium 4.6 (`CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Jul 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-xv59-3gpf-c92h

## What is CVE-2019-5220?

CVE-2019-5220 is a medium-severity authentication bypass vulnerability in Huawei Honor Magic 2, published on 10 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

There is a Factory Reset Protection (FRP) bypass vulnerability on several smartphones. The system does not sufficiently verify the permission, an attacker could do a certain operation on certain step of setup wizard. Successful exploit could allow the attacker bypass the FRP protection. Affected products: Mate 20 X, versions earlier than Ever-AL00B 9.0.0.200(C00E200R2P1); Mate 20, versions earlier than Hima-AL00B/Hima-TL00B 9.0.0.200(C00E200R2P1); Honor Magic 2, versions earlier than Tony-AL00B/Tony-TL00B 9.0.0.182(C00E180R2P2).

Weakness: CWE-863 (Incorrect Authorization)

## Which versions are affected by CVE-2019-5220?

It affects 3 products.


Products: Huawei Honor Magic 2 Firmware, Huawei Mate 20 Firmware, Huawei Mate 20 X Firmware.

## How do I fix CVE-2019-5220?

No fix has been published for CVE-2019-5220 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-5220 being exploited?

There is no known exploitation of CVE-2019-5220 in the wild and no public exploit code.

## Other vulnerabilities in Huawei Honor Magic 2

- [CVE-2019-5222](https://insights.sbomify.com/CVE-2019-5222/): Information disclosure in Honor Magic 2 (medium 5.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5220 and fix it if it is affected.

What it is: CVE-2019-5220 is a medium-severity authentication bypass vulnerability in Huawei Honor Magic 2, published on 10 Jul 2019. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2019-5220 in the wild and no public exploit code.

Affected product: Huawei Honor Magic 2. 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-2019-5220/ (Markdown: https://insights.sbomify.com/CVE-2019-5220/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5220
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5220
- OSV: https://osv.dev/vulnerability/CVE-2019-5220

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-5220/
Summaries are generated and may contain mistakes; the official description above is the record.