Unauthenticated switch topology dump in Brocade ASCG before 3.5.0 (CVE-2026-87426)
38393
02 October 2026
02 October 2026
CLOSED
MEDIUM
5.3 - CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVE-2026-87426
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Brocade Security Advisory ID |
BSA-2026-3973 |
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Component |
Internal caller |
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Summary
An unauthenticated network-based attacker can query specific internal management endpoints on Brocade ASCG versions before 3.5.0 to enumerate the configuration details and state of managed Brocade Fabric OS (FOS) switches. This results in the unauthorized disclosure of the customer's SAN fabric management topology and switch connectivity attributes.
Products Affected
Brocade ASCG Standard deployment before Brocade ASCG 3.5.0
Solution
- A security update is provided in Brocade ASCG 3.5.0
Notes
This is a Frontier AI discovered vulnerability.
Revision History
|
Version |
Change |
Date |
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1.0 |
Initial Publication |
Sept 09, 2026 |
Disclaimer
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