---
id: CVE-2022-33186
title: >-
  A vulnerability in Brocade Fabric OS software v9.1.1, v9.0.1e, v8.2.3c,
  v7.4.2j, and earlier versions could allow a remote unauthenticated attacker to
  execute on a Brocade Fabric OS switch commands capable of modifying zoning,
  disabling …
summary: >-
  A vulnerability in Brocade Fabric OS software v9.1.1, v9.0.1e, v8.2.3c,
  v7.4.2j, and earlier versions could allow a remote unauthenticated attacker to
  execute on a Brocade Fabric OS switch commands capable of modifying zoning,
  disabling …
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cwe:
  - CWE-78
  - CWE-78
vendor: broadcom
product: fabric_operating_system
affected:
  - fabric_operating_system = 7.4.2j
  - fabric_operating_system = 8.2.3c
  - fabric_operating_system = 9.0.1e
  - fabric_operating_system = 9.1.1
published: '2022-12-08'
updated: '2026-10-13'
sourceUpdated: '2026-10-13T18:25:34.177'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2022-33186'
references:
  - url: >-
      https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2121
    label: sirt@brocade.com
  - url: >-
      https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2121
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.01662
epssPercentile: 0.76093
ingestedAt: '2026-10-13T18:41:42.720Z'
---

## Overview

A vulnerability in Brocade Fabric OS software v9.1.1, v9.0.1e, v8.2.3c, v7.4.2j, and earlier versions could allow a remote unauthenticated attacker to execute on a Brocade Fabric OS switch commands capable of modifying zoning, disabling the switch, disabling ports, and modifying the switch IP address.

## Affected

- `fabric_operating_system = 7.4.2j`
- `fabric_operating_system = 8.2.3c`
- `fabric_operating_system = 9.0.1e`
- `fabric_operating_system = 9.1.1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.