CVE-2026-0869
Received Received - Intake

Authentication Bypass in Brocade ASCG 3.4.0 Enables Unauthorized Operations

Publication date: 2026-03-03

Last updated on: 2026-03-09

Assigner: Brocade Communications Systems, LLC

Description
Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operations related to Brocade Support Link(BSL) and streaming configuration. and could even disable the ASCG application or disable use of BSL data collection on Brocade switches within the fabric.

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Meta Information

Published
2026-03-03
Last Modified
2026-03-09
Generated
2026-07-06
AI Q&A
2026-03-03
EPSS Evaluated
2026-07-05
NVD
CVE-2026-0869
EUVD
EUVD-2026-9312

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
broadcom brocade_active_support_connectivity_gateway 3.4.0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-305 The authentication algorithm is sound, but the implemented mechanism can be bypassed as the result of a separate weakness that is primary to the authentication error.

Attack-Flow Graph

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Executive Summary

This vulnerability is an authentication bypass in Brocade ASCG version 3.4.0. It allows an unauthorized user to perform ASCG operations related to Brocade Support Link (BSL) and streaming configuration without proper authentication.

An attacker exploiting this vulnerability could disable the ASCG application or prevent the use of BSL data collection on Brocade switches within the fabric.

Impact Analysis

The impact of this vulnerability includes unauthorized access to ASCG operations, which could lead to disabling critical applications like ASCG or blocking BSL data collection on Brocade switches.

This could disrupt network management and monitoring, potentially causing operational issues within the fabric where these switches are deployed.

Compliance Impact

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