What is the CVSS score of CVE-2018-11314?

CVE-2018-11314 has a CVSS 3.0 base score of 9.6 (Critical). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H. EPSS exploitation probability: 1.7%.

Roku Firmware CVE-2018-11314

CRITICAL

Improper Input Validation (CWE-20)

2018-07-03 cve@mitre.org

Authentication Bypass Roku Firmware

9.6

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

9.6 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Jul 03, 2018 - 16:29 nvd

CRITICAL 9.6

DescriptionNVD

The External Control API in Roku and Roku TV products allow unauthorized access via a DNS Rebind attack. This can result in remote device control and privileged device and network information to be exfiltrated by an attacker.

AnalysisAI

The External Control API in Roku and Roku TV products allow unauthorized access via a DNS Rebind attack. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-20. The External Control API in Roku and Roku TV products allow unauthorized access via a DNS Rebind attack. This can result in remote device control and privileged device and network information to be exfiltrated by an attacker. Affected products include: Roku Roku Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.