CVE-2021-37740

State: Published
Severity: Not scored
Published: Apr 20, 2022
Updated: Aug 4, 2024
Reserved: Jul 30, 2021

Description

A denial of service vulnerability exists in MDT's firmware for the KNXnet/IP Secure router SCN-IP100.03 and KNX IP interface SCN-IP000.03 before v3.0.4, that allows a remote attacker to turn the device unresponsive to all requests on the KNXnet/IP Secure layer, until the device is rebooted, via a SESSION_REQUEST frame with a modified total length field.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
n/an/a	n/aAffected

References

https://www.mdt.de/EN_IP_Interface_Router.html
https://www.mdt.de/download/MDT_CL_SCN_IP_03_IP_Interface_Router.pdf
https://github.com/robertguetzkow/CVE-2021-37740

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