Broadcom Brocade Active Support Connectivity Gateway vulnerabilities

CVE-2026-0869 [HIGH] CWE-305 CVE-2026-0869: Authentication bypass in Brocade ASCG 3.4.0 Could allow an unauthorized user to perform ASCG operati 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.

CVE-2025-6391 [HIGH] CWE-532 CVE-2025-6391: Brocade ASCG before 3.3.0 logs JSON Web Tokens (JWT) in log files. An attacker with access to the l Brocade ASCG before 3.3.0 logs JSON Web Tokens (JWT) in log files. An attacker with access to the log files can withdraw the unencrypted tokens with security implications, such as unauthorized access, session hijacking, and information disclosure.

CVE-2025-7398 [HIGH] CWE-326 CVE-2025-7398: Brocade ASCG before 3.3.0 allows for the use of medium strength cryptography algorithms on internal Brocade ASCG before 3.3.0 allows for the use of medium strength cryptography algorithms on internal ports ports 9000 and 8036.

CVE-2024-1509 [HIGH] CWE-523 CVE-2024-1509: Brocade ASCG before 3.2.0 Web Interface is not enforcing HSTS, as defined by RFC 6797. HSTS is an Brocade ASCG before 3.2.0 Web Interface is not enforcing HSTS, as defined by RFC 6797. HSTS is an optional response header that can be configured on the server to instruct the browser to only communicate via HTTPS. The lack of HSTS allows downgrade attacks, SSL-stripping man-in-the-middle attacks, and weakens cookie-hijacking protections.