What is CVE-2018-7298?

CVE-2018-7298 is a high-severity vulnerability in Eq-3 Homematic Central Control Unit Ccu2, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2018-02-22.

How severe is CVE-2018-7298?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Eq-3 Homematic Central Control Unit Ccu2

CVE-2018-7298

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.

EPSS: 0.008 (54.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Eq-3 Homematic_central_control_unit_ccu2
Eq-3 Homematic_central_control_unit_ccu2_firmware — versions 2.29.22
N/a — versions n/a

Weakness classification (CWE)

CWE-319 — Cleartext Transmission of Sensitive Information

References

cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-7298?: CVE-2018-7298 is a high-severity vulnerability in Eq-3 Homematic Central Control Unit Ccu2, classified under Cleartext Transmission of Sensitive Information. CVSS score: 8.1/10. Published 2018-02-22.
How severe is CVE-2018-7298?: High severity. CVSS v3 base score is 8.1 out of 10.