What is the CVSS score of CVE-2018-7301?

CVE-2018-7301 has a CVSS 3.0 base score of 9.8 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.5%.

Homematic Central Control Unit Ccu2 Firmware CVE-2018-7301

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2018-02-22 cve@mitre.org

Authentication Bypass Homematic Central Control Unit Ccu2 Firmware

9.8

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 22, 2018 - 19:29 nvd

CRITICAL 9.8

DescriptionNVD

eQ-3 AG HomeMatic CCU2 2.29.22 devices have an open XML-RPC port without authentication. This can be exploited by sending arbitrary XML-RPC requests to control the attached BidCos devices.

AnalysisAI

eQ-3 AG HomeMatic CCU2 2.29.22 devices have an open XML-RPC port without authentication. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. eQ-3 AG HomeMatic CCU2 2.29.22 devices have an open XML-RPC port without authentication. This can be exploited by sending arbitrary XML-RPC requests to control the attached BidCos devices. Affected products include: Eq-3 Homematic Central Control Unit Ccu2 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Require authentication for all sensitive operations, implement defense in depth.