What is the CVSS score of CVE-2018-17898?

CVE-2018-17898 has a CVSS 3.0 base score of 7.5 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.2%.

Fcj Firmware CVE-2018-17898

HIGH

Uncontrolled Resource Consumption (CWE-400)

2018-10-12 ics-cert@hq.dhs.gov

Denial Of Service Fcj Firmware Fcn 100 Firmware Fcn Rtu Firmware Fcn 500 Firmware

7.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Oct 12, 2018 - 14:29 nvd

HIGH 7.5

DescriptionNVD

Yokogawa STARDOM Controllers FCJ,FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The controller application fails to prevent memory exhaustion by unauthorized requests. This could allow an attacker to cause the controller to become unstable.

AnalysisAI

Yokogawa STARDOM Controllers FCJ,FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The controller application fails to prevent memory exhaustion by unauthorized requests. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Uncontrolled Resource Consumption (CWE-400), which allows attackers to cause denial of service by exhausting system resources. Yokogawa STARDOM Controllers FCJ,FCN-100, FCN-RTU, FCN-500, All versions R4.10 and prior, The controller application fails to prevent memory exhaustion by unauthorized requests. This could allow an attacker to cause the controller to become unstable. Affected products include: Yokogawa Fcj Firmware, Yokogawa Fcn-100 Firmware, Yokogawa Fcn-Rtu Firmware, Yokogawa Fcn-500 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement rate limiting, set resource quotas, validate input sizes, use timeouts.