---
id: CVE-2023-5649
title: >-
  An Improper Input Validation vulnerability for the registered case credentials
  in Brocade ASCG before v3.0 could allow a local authenticated user to provide
  invalid inputs like special characters leading to a Denial of Service (DoS)
  when…
summary: >-
  An Improper Input Validation vulnerability for the registered case credentials
  in Brocade ASCG before v3.0 could allow a local authenticated user to provide
  invalid inputs like special characters leading to a Denial of Service (DoS)
  when…
severity: medium
cvss: 6.8
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'
cwe:
  - CWE-20
vendor: Brocade
product: Brocade Active Support Connectivity Gateway
affected:
  - active_support_connectivity_gateway < 3.0
published: '2026-10-08'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T05:17:03.970'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-5649'
references:
  - url: 'https://support.broadcom.com/external/content/SecurityAdvisories/0/22716'
    label: sirt@brocade.com
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-08T06:06:55.451Z'
---

## Overview

An Improper Input Validation vulnerability for the registered case credentials in Brocade ASCG before v3.0 could allow a local authenticated user to provide invalid inputs like special characters leading to a Denial of Service (DoS) when collecting “supportsave” from a Brocade Switch.

## Remediation

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