# CVE-2019-5263: Weak cryptography in HiSuite, HwBackup

> Attackers can brute force encrypted backup passwords to obtain Huawei smartphone user backup information.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 29 Nov 2019
- **Updated:** 4 Aug 2024
- **Also known as:** GHSA-5m27-xjxh-cpq9

## What is CVE-2019-5263?

CVE-2019-5263 is a medium-severity vulnerability in HiSuite, HwBackup, published on 29 Nov 2019. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

HiSuite with 9.1.0.305 and earlier versions and 9.1.0.305(MAC) and earlier versions and HwBackup with earlier versions before 9.1.1.308 have a brute forcing encrypted backup data vulnerability. Huawei smartphone user backup information can be obtained by brute forcing the password for encrypting the backup.

Weakness: CWE-307 (Improper Restriction of Excessive Authentication Attempts)

## Which versions are affected by CVE-2019-5263?

It affects 2 products.


Products: Huawei Hisuite, Huawei Hwbackup.

## How do I fix CVE-2019-5263?

No fix has been published for CVE-2019-5263 yet. Limit exposure of the affected software until one is available.

## Is CVE-2019-5263 being exploited?

There is no known exploitation of CVE-2019-5263 in the wild and no public exploit code.

## Other vulnerabilities in HiSuite, HwBackup

- [CVE-2020-9100](https://insights.sbomify.com/CVE-2020-9100/): Other in HiSuite (high 7.8)
- [CVE-2016-8273](https://insights.sbomify.com/CVE-2016-8273/): Supply chain in HiSuite 4.0.5.300 OVE (high 7.8)
- [CVE-2016-8274](https://insights.sbomify.com/CVE-2016-8274/): Other in HiSuite 4.0.5.300 OVE (high 7.8)
- [CVE-2016-5821](https://insights.sbomify.com/CVE-2016-5821/): Privilege escalation in n/a (high 7.8)
- [CVE-2019-5245](https://insights.sbomify.com/CVE-2019-5245/): Other in HiSuite (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2019-5263 and fix it if it is affected.

What it is: CVE-2019-5263 is a medium-severity vulnerability in HiSuite, HwBackup, published on 29 Nov 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-2019-5263 in the wild and no public exploit code.

Affected product: HiSuite, HwBackup. 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-2019-5263/ (Markdown: https://insights.sbomify.com/CVE-2019-5263/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2019-5263
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2019-5263
- OSV: https://osv.dev/vulnerability/CVE-2019-5263

---
From sbomify Insights: https://insights.sbomify.com/CVE-2019-5263/
Summaries are generated and may contain mistakes; the official description above is the record.