CVE-2026-0869

HIGH
2026-03-03 [email protected]
8.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:05 vuln.today
CVE Published
Mar 03, 2026 - 20:16 nvd
HIGH 8.8

Tags

Authentication Bypass Brocade Active Support Connectivity Gateway

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.

Analysis

Brocade Active Support Connectivity Gateway versions up to 3.4.0 contains a vulnerability that allows attackers to an unauthorized user to perform ASCG operations related to Brocade Support Link( (CVSS 8.8).

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Remediation

Within 24 hours: Identify all Brocade ASCG deployments and document current versions; restrict network access to ASCG management interfaces to authorized personnel only; enable detailed logging of all ASCG operations. Within 7 days: Implement network segmentation to isolate ASCG systems; disable the Brocade Support Link feature if operationally feasible; contact Brocade for patch availability and timeline. …

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Priority Score

44
Low Medium High Critical
KEV: 0
EPSS: +0.1
CVSS: +44
POC: 0

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CVE-2026-0869 vulnerability details – vuln.today
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