CVE-2026-0869

HIGH

Brocade Active Support Connectivity Gateway 3.4.0 - Unauthenticated Authentication Bypass

Title source: llm

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.

References (1)

Core 1

Core References

Various Sources

https://support.broadcom.com/external/content/SecurityAdvisories/0/37121

Scores

CVSS v3 8.8

EPSS 0.0040

EPSS Percentile 31.2%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-305

Status published

Products (1)

broadcom/brocade_active_support_connectivity_gateway 3.4.0

Published Mar 03, 2026

Tracked Since Mar 04, 2026