What is CVE-2017-14855?

CVE-2017-14855 is a high-severity vulnerability in Redlion Hmi Panel. CVSS score: 8.6/10. Published 2017-12-30.

How severe is CVE-2017-14855?

High severity. CVSS v3 base score is 8.6 out of 10.

Vulnerability in Redlion Hmi Panel

CVE-2017-14855

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.

Published 2017-12-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.014 (71.9th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Redlion Hmi Panel
Redlion Hmi Panel Firmware — versions 2.41

References

misteralfa-hack.blogspot.cl/2017/12/red-lion-guru-mode-cve-2017-14855.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2017-14855?: CVE-2017-14855 is a high-severity vulnerability in Redlion Hmi Panel. CVSS score: 8.6/10. Published 2017-12-30.
How severe is CVE-2017-14855?: High severity. CVSS v3 base score is 8.6 out of 10.