---
id: CVE-2026-85423
title: >-
  A vulnerability has been identified in the data collection service of Brocade
  ASCG versions before 3.5.0
summary: >-
  A vulnerability has been identified in the data collection service of Brocade
  ASCG versions before 3.5.0. An API endpoint within the data collector service
  fails to perform authentication or authorization checks on incoming requests.
  An …
severity: high
cvss: 8.8
cvssVector: 'CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-306
vendor: broadcom
product: brocade_active_support_connectivity_gateway
affected:
  - brocade_active_support_connectivity_gateway < 3.5.0
patched:
  - brocade_active_support_connectivity_gateway 3.5.0
published: '2026-10-08'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T18:48:34.403'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-85423'
references:
  - url: 'https://support.broadcom.com/external/content/SecurityAdvisories/0/38380'
    label: sirt@brocade.com
tags:
  - nvd
  - cve.org
epss: 0.00235
epssPercentile: 0.14445
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-10-08T17:48:03.798537Z'
scores:
  nvd: 8.8
  cna: 8.6
ingestedAt: '2026-10-08T07:18:54.848Z'
---

## Overview

A vulnerability has been identified in the data collection service of Brocade ASCG versions before 3.5.0. An API endpoint within the data collector service fails to perform authentication or authorization checks on incoming requests. An attacker with network access to the service can instruct the application to establish SSH connections to arbitrary hosts and execute arbitrary system commands, effectively turning the appliance into an unauthenticated proxy or execution vector.

## Affected

- `brocade_active_support_connectivity_gateway < 3.5.0`

## Remediation

Upgrade past the affected range:

- `brocade_active_support_connectivity_gateway 3.5.0`