What is the CVSS score of CVE-2017-14855?

CVE-2017-14855 has a CVSS 3.0 base score of 8.6 (High). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H. EPSS exploitation probability: 0.6%.

Is there a public PoC exploit available for CVE-2017-14855?

Yes, a public proof-of-concept exploit is available for CVE-2017-14855. Prioritise patching immediately. EPSS: 0.6%.

Hmi Panel Firmware CVE-2017-14855

HIGH

2017-12-30 cve@mitre.org

Denial Of Service Hmi Panel Firmware

8.6

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

8.6 HIGH

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 30, 2017 - 17:29 cve.org

HIGH 8.6

DescriptionCVE.org

Red Lion HMI panels allow remote attackers to cause a denial of service (software exception) via an HTTP POST request to a long URI that does not exist, as demonstrated by version HMI 2.41 PLC 2.42.

AnalysisAI

Red Lion HMI panels allow remote attackers to cause a denial of service (software exception) via an HTTP POST request to a long URI that does not exist, as demonstrated by version HMI 2.41 PLC 2.42. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

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.