PT-2018-18008 · Eq 3 Ag · Homematic Ccu2

Gregor Kopf + 1 · Published 2018-02-22 · Updated 2018-03-18 · CVE-2018-7301

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions eQ-3 AG HomeMatic CCU2 version 2.29.22

Description The issue allows exploitation by sending arbitrary XML-RPC requests to control attached BidCos devices, due to an open XML-RPC port without authentication.

Recommendations For version 2.29.22, consider restricting access to the XML-RPC port to minimize the risk of exploitation. As a temporary workaround, limit control of the attached BidCos devices until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2018-7301

Affected Products

Homematic Ccu2

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2018-7301 · Security Note
• https://osv.dev/vulnerability/CVE-2018-7301 · Vendor Advisory
• http://atomic111.github.io/article/homematic-ccu2-xml-rpc · Note