CVE-2017-14855

CVE-2017-14855 is a high-severity vulnerability in Redlion Hmi Panel Firmware with a CVSS 3.x base score of 8.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2017-14855?
CVE-2017-14855 has a CVSS 3.x base score of 8.6, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-14855 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-14855?
CVE-2017-14855 affects Redlion Hmi Panel Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-14855?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-14855 published?
CVE-2017-14855 was published on 2017-12-30 and last updated on 2026-06-17.

References

Affected products (1)