Description
A critical security vulnerability has been identified in Brocade ASCG versions before 3.5.0. The HTTPS service fails to properly enforce authentication or access control checks on incoming requests. An unauthenticated attacker with network access can issue control commands, alter cluster states, and modify system configurations, leading to a complete compromise of the streaming service control plane.
Published: 2026-10-08
Score: 8.7 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

Vendor Solution

Security update provided in Brocade ASCG 3.5.0

Tracking

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Advisories

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History

Thu, 08 Oct 2026 07:45:00 +0000

Type Values Removed Values Added
Title Unauthorized HTTPS Control Commands Enable Full Compromise in Brocade ASCG

Thu, 08 Oct 2026 06:45:00 +0000

Type Values Removed Values Added
Description A critical security vulnerability has been identified in Brocade ASCG versions before 3.5.0. The HTTPS service fails to properly enforce authentication or access control checks on incoming requests. An unauthenticated attacker with network access can issue control commands, alter cluster states, and modify system configurations, leading to a complete compromise of the streaming service control plane.
Weaknesses CWE-306
References
Metrics cvssV4_0

{'score': 8.7, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: brocade

Published:

Updated: 2026-10-08T17:49:56.276Z

Reserved: 2026-09-03T19:44:37.306Z

Link: CVE-2026-85421

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-08T07:16:31.883

Modified: 2026-10-08T07:16:31.883

Link: CVE-2026-85421

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-08T07:30:13Z

Weaknesses