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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (36.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- assets.belden.com/m/1281cac2c9e90abf/original/Security-Bulletin-Authentication-… (vendor-advisory, Vendor Advisory)
- www.vulncheck.com/advisories/prosoft-technology-icx35-hwc-authentication-bypass (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.