What is the CVSS score of CVE-2018-17918?

CVE-2018-17918 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: 3.8%.

Circarlife Firmware CVE-2018-17918

CRITICAL

Authentication Bypass Using an Alternate Path or Channel (CWE-288)

2018-11-02 ics-cert@hq.dhs.gov

Authentication Bypass Circarlife 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

Nov 02, 2018 - 15:29 nvd

CRITICAL 9.8

DescriptionNVD

Circontrol CirCarLife all versions prior to 4.3.1, authentication to the device can be bypassed by entering the URL of a specific page.

AnalysisAI

Circontrol CirCarLife all versions prior to 4.3.1, authentication to the device can be bypassed by entering the URL of a specific page. 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 under CWE-288. Circontrol CirCarLife all versions prior to 4.3.1, authentication to the device can be bypassed by entering the URL of a specific page. Affected products include: Circontrol Circarlife Firmware. Version information: prior to 4.3.1.

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.