What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-02-16 · updated 2026-06-17
• Weakness: CWE-918

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.

Affected products

• Helmholz myREX24: through 2.11.2
• Helmholz myREX24.virtual: through 2.11.2
• MB connect line mbCONNECT24: through 2.11.2
• MB connect line mymbCONNECT24: through 2.11.2

References

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

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