CVE-2021-37740

HIGH

7.5

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.

Details CVE

Score CVSS v3.17.5

SeveriteHIGH

Vecteur CVSSCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vecteur d'attaqueNETWORK

ComplexiteLOW

Privileges requisNONE

Interaction utilisateurNONE

Publie4/20/2022

Derniere modification11/21/2024

Sourcenvd

Observations honeypot0

Produits affectes

mdt:scn-ip000.03mdt:scn-ip000.03_firmwaremdt:scn-ip100.03mdt:scn-ip100.03_firmware

References

https://github.com/robertguetzkow/CVE-2021-37740(cve@mitre.org)

https://www.mdt.de/EN_IP_Interface_Router.html(cve@mitre.org)

https://www.mdt.de/download/MDT_CL_SCN_IP_03_IP_Interface_Router.pdf(cve@mitre.org)

https://github.com/robertguetzkow/CVE-2021-37740(af854a3a-2127-422b-91ae-364da2661108)

https://www.mdt.de/EN_IP_Interface_Router.html(af854a3a-2127-422b-91ae-364da2661108)

https://www.mdt.de/download/MDT_CL_SCN_IP_03_IP_Interface_Router.pdf(af854a3a-2127-422b-91ae-364da2661108)

Correlations IOC

Aucune correlation enregistree

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