CVE-2026-87424 - Vulnerability Details - OpenCVE

Description

A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication across deployments due to the use of a hard coded cryptographic key.

Published: 2026-10-08

Score: 8.6 High

EPSS: n/a

KEV: No

Impact:

Action:

Analysis

No analysis available yet.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Brocade

Brocade Active Support Connectivity Gateway

unaffected

Version	Status	Constraints
`0`	affected	< 3.5.0

No data.

No data.

No data available yet.

Remediation

Vendor Solution

Security update provided in Brocade ASCG 3.5.0

Tracking

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Advisories

No advisories yet.

Attack Vector Adjacent Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact High

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://support.broadcom.com/external/content/SecurityAdvisories/0/38391

History

Thu, 08 Oct 2026 07:15:00 +0000

Type	Values Removed	Values Added
Description		A vulnerability in the SupportLink API authentication component of Brocade ASCG versions prior to 3.5.0 allows an attacker to bypass authentication across deployments due to the use of a hard coded cryptographic key.
Weaknesses		CWE-321
References		https://support.broadcom.com/external/content/SecurityAdvisories/0/38391
Metrics		cvssV4_0 `{'score': 8.6, 'vector': 'CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}`

Subscriptions

No data.

MITRE

Status: PUBLISHED

Assigner: brocade

Published: 2026-10-08T06:48:02.454Z

Updated: 2026-10-08T06:48:02.454Z

Reserved: 2026-09-08T21:56:45.681Z

Link: CVE-2026-87424

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-10-08T07:16:33.000

Modified: 2026-10-08T07:16:33.000

Link: CVE-2026-87424

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-321
Use of Hard-coded Cryptographic Key

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