CWE Code: 319
Vulnerability Type: privilege_escalation
CVSS Score: 9.3
CWE Name:  Cleartext Transmission of Sensitive Information
Summary: in /usr/local/etc/config/addons/mh/loopupd.sh on eq-3 ag homematic ccu2 2.29.22 devices, software update packages are downloaded via the http protocol, which does not provide any cryptographic protection of the downloaded contents. an attacker with a privileged network position (which could be obtained via dns spoofing of www.meine-homematic.de or other approaches) can exploit this issue in order to provide arbitrary malicious firmware updates to the ccu2. this can result in a full system compromise.
Access Authentication: NONE
Access Complexity: MEDIUM
Access Vector: NETWORK
Impact (C/I/A): COMPLETE/COMPLETE/COMPLETE
Published Date: 2018-02-22
Last Modified Date: 2019-10-03