CVE•Published 2023-09-05•Modified 2026-05-21•1 article on news•5 live references•NVD data
CVE-2023-4178Neutron · Smart_vms
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
5
Exploit Prediction Scoring System · top 95% of all CVEs
Weaknesses (CWE)
Description
Authentication Bypass by Spoofing vulnerability in Neutron Neutron Smart VMS allows Authentication Bypass. This issue affects Neutron Smart VMS: before b1130.1.0.1.
Timeline
Published 2023-09-05
Modified 2026-05-21
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag0 hosts
vuln:CVE-2023-4178Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product
product:"Neutron Smart Vms"All exposed Neutron Smart Vms instances — cross-reference with the CVE's affected-version range.
Shodan · banner/body mention
http.html:"Smart Vms"HTTP body or banner mentions "Smart Vms" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-4178Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-4178Censys host search filtered to this CVE id.
grep.app
CVE-2023-4178Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-4178GitHub code search for direct mentions.
Google dork
"CVE-2023-4178" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.