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

Published Feb 16, 2021
·
Updated

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.

Affected Software

4 affected components
Mbconnectline Mbconnect24<=2.11.2
Mbconnectline Mymbconnect24<=2.11.2
Helmholz myREX24<=2.11.2
Helmholz myREX24.virtual<=2.11.2

Remediation

Information

Update to 2.12.1

Event History

Feb 16, 2021
CVE Published
via MITRE·03:49 PM
Data Sourced
via MITRE·03:49 PM
RemedyDescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2020-35561?

The severity of CVE-2020-35561 is medium.

2

What is the vulnerability in MB connect line mymbCONNECT24, mbCONNECT24, Helmholz myREX24, and myREX24.virtual?

The vulnerability in MB connect line mymbCONNECT24, mbCONNECT24, Helmholz myREX24, and myREX24.virtual is SSRF (Server-Side Request Forgery) in the HA (High Availability) module.

3

How can an attacker exploit CVE-2020-35561?

An unauthenticated attacker can exploit CVE-2020-35561 by scanning for open ports through the SSRF vulnerability in the HA module.

4

Which versions of MB connect line mymbCONNECT24, mbCONNECT24, Helmholz myREX24, and myREX24.virtual are affected by CVE-2020-35561?

All versions up to and including v2.11.2 of MB connect line mymbCONNECT24, mbCONNECT24, Helmholz myREX24, and myREX24.virtual are affected by CVE-2020-35561.

5

Where can I find more information about CVE-2020-35561?

You can find more information about CVE-2020-35561 on the following references: [https://cert.vde.com/en/advisories/VDE-2021-003](https://cert.vde.com/en/advisories/VDE-2021-003), [https://cert.vde.com/en/advisories/VDE-2022-039](https://cert.vde.com/en/advisories/VDE-2022-039), [https://mbconnectline.com/security-advice/](https://mbconnectline.com/security-advice/).

Contact

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