#VU51203 Improper Restriction of Excessive Authentication Attempts in mymbCONNECT24 and mbCONNECT24 - CVE-2020-35565

Vulnerability identifier: #VU51203

Vulnerability risk: Medium

CVSSv4.0: 4.6 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-35565

CWE-ID: CWE-307

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
mymbCONNECT24
Server applications / SCADA systems
mbCONNECT24
Server applications / SCADA systems

Vendor: MB connect line

Description

The vulnerability allows a remote attacker to gain access to sensitive information on the system.

The vulnerability exists due to the brute force detection is disabled by default on the login page. A remote attacker can launch a brute-force authentication attack and gain access to sensitive information.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

mymbCONNECT24: 2.6.1

mbCONNECT24 : 2.6.1

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External links
https://cert.vde.com/de-de/advisories/vde-2021-003

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.