CVE-2026-87424

HIGH CVSS 4.0: 8.6 EPSS 0.19%
Updated Oct 14, 2026
Broadcom
Parameter Value
CVSS 8.6 (HIGH)
Affected Versions before 3.5.0
Fixed In 3.5.0
Type CWE-321
Vendor Broadcom
Public PoC No

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.

Attack Parameters

Attack Vector
Adjacent
Requires local network access
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Weakness Type (CWE)

Vulnerable Products 1

Configuration From (including) Up to (excluding)
Broadcom Brocade_Active_Support_Connectivity_Gateway
cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*
— 3.5.0