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TI-2026-69456 Aliases CVE-2026-87425GHSA-42g7-mp3f-vxqx

Trust store modification in Brocade ASCG enables man-in-the-middle attacks

Priority LOW 32CWE-295Published · Updated

Key facts

Attack vector
Adjacent network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
Spoofing
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-295.

Summary

Brocade Active Support Connectivity Gateway (ASCG) versions before 3.5.0 let an unauthenticated remote attacker change the TLS client trust store. By supplying an unauthorized Certificate Authority certificate to an unauthenticated management interface, the attacker makes the system trust unauthorized certificates, which could enable man-in-the-middle attacks on outbound communications with managed switches and peer nodes. This is classified as improper certificate validation (CWE-295).

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00095 0th percentileScored 2026-11-07
Fix Fixed Brocade Active Support Connectivity Gateway (Brocade): 3.5.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
BrocadeBrocade Active Support Connectivity Gatewaybefore 3.5.03.5.0Patch availableCNA
  • Brocade Active Support Connectivity Gateway VendorBrocade Affected before 3.5.0 Fixed in 3.5.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*before 3.5.0VulnerableBroadcom
  • cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:* Versions before 3.5.0 Vulnerable ·Broadcom

Remediation

Upgrade Brocade Active Support Connectivity Gateway to version 3.5.0 or later, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

  • Fix · CNA Brocade Active Support Connectivity Gateway (Brocade) Fixed in 3.5.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Brocade Active Support Connectivity Gateway 3.5.0

    12 records Highest priority Priority LOW 12 LOW

    Other records, highest priority first

    • TI-2026-69450 Missing authentication in Brocade ASCG management servicePriority LOW 39
    • TI-2026-69448 Path traversal in Brocade ASCG HTTP service allows arbitrary file accessPriority LOW 39
    • TI-2026-69447 Eval injection in Brocade Active Support Connectivity GatewayPriority LOW 39
    Show all 12 records →

Timeline

  1. 2026-10-08 Threatist record created from CVE-2026-87425
  2. 2026-10-08 CISA SSVC decision points changed
  3. 2026-10-08 Priority changed: MEDIUM → LOW
  4. 2026-10-15 Alias added: GHSA-42g7-mp3f-vxqx
  5. 2026-10-15 CVSS score added · NVD

References

Advisory 1

  • TI-2025-01721 Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6 KEVCVSS 4.0HIGH 8.6
  • TI-2016-06760 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0CRITICAL 9.8
  • TI-2024-19729 hard-coded credentials in the documentation that appear as the appliance root password CVSS 3.1CRITICAL 9.8
  • TI-2016-06762 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0HIGH 7.5
  • TI-2018-04739 OS command injection in Brocade Network Advisor CVSS 3.0CRITICAL 9.8
  • TI-2016-06761 Path traversal in Brocade Network Advisor versions released prior to and including 14.0.2 CVSS 3.0HIGH 7.5
See all 191 →

Sources

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