What is CVE-2017-20235?

CVE-2017-20235 is a critical-severity vulnerability in Prosoft Technology Icx35-Hwc Cellular Gateway, classified under Improper Authentication. CVSS score: 9.1/10. Published 2026-04-03.

How severe is CVE-2017-20235?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Auth bypass in Prosoft Technology Icx35-Hwc Cellular Gateway

CVE-2017-20235

ProSoft Technology ICX35-HWC version 1.3 and prior cellular gateways contain an authentication bypass vulnerability in the web user interface that allows unauthenticated attackers to gain access to administrative functions without valid credentials. Attackers can bypass the authentication mechanism in affected firmware versions to obtain full administrative access to device configuration and settings.

Vulnerability class: Broken Authentication

EPSS: 0.005 (36.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Prosoft Technology Icx35-hwc Cellular Gateway — versions 1.3, 0
Prosoft-technology Icx35-hwc
Prosoft-technology Icx35-hwc_firmware

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

disclosure@vulncheck.com (vendor-advisory, Vendor Advisory)
disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)

Frequently asked questions

What is CVE-2017-20235?: CVE-2017-20235 is a critical-severity vulnerability in Prosoft Technology Icx35-Hwc Cellular Gateway, classified under Improper Authentication. CVSS score: 9.1/10. Published 2026-04-03.
How severe is CVE-2017-20235?: Critical severity. CVSS v3 base score is 9.1 out of 10.