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CVE-2023-5649

Impaired Input Validation Causing Local Authenticated Denial of Service in Brocade ASCG

An Improper Input Validation vulnerability for the registered case credentials in Brocade ASCG before v3.0 could allow a local authenticated user to provide invalid inputs like special characters leading to a Denial of Service (DoS) when collecting “supportsave” from a Brocade Switch.

CVSS 4.0 · 6.8 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2023-5648

Missing Security Headers Enable Unauthenticated XSS and Clickjacking on Brocade ASCG

In Brocade ASCG before Brocade ASCG v3.0, several security-related HTTP Headers were missing in various Brocade ASCG URL paths, aiding unauthenticated attackers to perform attacks such as Cross-Site Scripting, Clickjacking, Information disclosure, and more.

CVSS 4.0 · 6.5 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom Brocade
Products
Brocade Active Support Connectivity Gateway Active Support Connectivity Gateway
CVE-2026-87428

Local Unauthorized Credential Disclosure in Brocade ASCG Pre‑3.5.0

In Brocade ASCG before 3.5.0, a  local unauthorized user on the ASCG VM who can issue a request to the SANnav host network namespace can extract stored management credentials for onboarded SANnav instances and compromise connected Brocade SANnav servers or managed Brocade Fibre Channel switches.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-87426

Unauthenticated Disclosure of SAN Fabric Management Topology via Internal Endpoints

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.

CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-87425

TLS Client Trust Store Modification Enabling MITM

An unauthenticated remote attacker can modify the TLS client trust store in Brocade ASCG versions before 3.5.0. By supplying an unauthorized Certificate Authority (CA) certificate to an unauthenticated management interface, the attacker can cause the system to trust unauthorized certificates, potentially enabling Man-in-the-Middle (MITM) attacks against outbound communications with managed switches and peer nodes.

CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-87424

Brocade ASCG Authentication Bypass via Hard‑coded Cryptographic Key

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.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85490

ASCG Path Traversal Enables Remote Code Execution

When Brocade ASCG before 3.5.0 processes support bundle archives ingested from remote compromised endpoints, the application fails to sanitize path traversal sequences contained within archive entries prior to extraction. An unauthenticated remote attacker capable of sending or intercepting ingested archive files can leverage this flaw to write arbitrary files to restricted locations on the underlying host, potentially leading to remote code execution.

CVSS 4.0 · 7.7 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85489

Unauthenticated API Access Allows Privileged Configuration Changes in Brocade ASCG

An authentication flaw exists in the Brocade ASCG administrative management service component. An unauthenticated network user can issue direct API requests to perform privileged actions, including accessing sensitive system configuration mapping data, modifying managed device inventories, and altering operational settings. This vulnerability affects all versions of Brocade ASCG before 3.5.0.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85488

Default Password Leakage Enabling Local Privilege Escalation in Brocade ASCG

Brocade ASCG before 3.5.0 has a well-known Brocade default password embedded in a script distributed to every customer. Any local authenticated user with read access to the installation path can discover this credential and perform privilege escalation on affected Open Virtual Appliance (OVA) deployments, where default configuration settings remain in place.

CVSS 4.0 · 7 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85487

Unauthenticated Local Path Traversal in Brocade ASCG HTTP API

A path traversal vulnerability exists in the HTTP service component of Brocade ASCG versions before 3.5.0. An unauthenticated attacker on the local network could send a manipulated API request to the service endpoint bypassing path restrictions to arbitrary file read, file write, or file deletion operations.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85486

Improper Input Validation Enables Remote Code Execution in Brocade ASCG

Brocade ASCG before 3.5.0 improperly processes user input by evaluating form data prior to validation. When an authenticated user submits a configuration form, the submitted text could immediately be processed. A malicious actor with basic access can supply crafted input to execute arbitrary code on the server and take control of the application.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85423

Unauthenticated SSH Proxy in Brocade ASCG

A vulnerability has been identified in the data collection service of Brocade ASCG versions before 3.5.0. An API endpoint within the data collector service fails to perform authentication or authorization checks on incoming requests. An attacker with network access to the service can instruct the application to establish SSH connections to arbitrary hosts and execute arbitrary system commands, effectively turning the appliance into an unauthenticated proxy or execution vector.

CVSS 4.0 · 8.6 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85422

Brocade ASCG Hardcoded Cryptographic Key Disclosure Vulnerability

A vulnerability in Brocade ASCG version before 3.5.0 could allow an attacker to obtain a static cryptographic key hardcoded into the software binaries to secure sensitive data at rest and to protect inter-node communication protocols. An attacker who extracts this key can decrypt stored management credentials or craft forged administrative synchronization messages.

CVSS 4.0 · 8.4 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-85421

Unauthorized HTTPS Control Commands Enable Full Compromise in Brocade ASCG

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.

CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2026-0869

Application User custom defined accounts are not properly password protected in Brocade ASCG 3.4.0

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.

CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
Vendors
Broadcom Brocade
Products
Brocade Active Support Connectivity Gateway Ascg
CVE-2025-6391

JSON Web Token (JWT) Exposure in Log Files

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.

CVSS 4.0 · 7.1 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway
CVE-2024-1509

Brocade ASCG 3.2.0 web interface does not enforce HSTS, as defined by RFC 6797 for ports 8030 and 8100

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.

CVSS 4.0 · 7.6 High EPSS < 1% KEV · Not listed
Vendors
Broadcom
Products
Brocade Active Support Connectivity Gateway