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TI-2023-30879 Aliases CVE-2023-5649GHSA-p8j5-m292-rhr4

Improper input validation in Brocade ASCG causes denial of service

Priority LOW 29CWE-20Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Brocade Active Support Connectivity Gateway (ASCG) before 3.0 has an improper input validation flaw in the handling of registered case credentials. A local authenticated user can submit invalid input such as special characters, which causes a denial of service when collecting supportsave from a Brocade switch. The flaw is tracked as CWE-20.

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

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00093 0th percentileScored 2026-11-07
Fix Fixed Brocade Active Support Connectivity Gateway (Brocade): 3.0

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 3.03.0Patch availableCNA
  • Brocade Active Support Connectivity Gateway VendorBrocade Affected before 3.0 Fixed in 3.0 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:*before 3.0.0VulnerableBroadcom
  • cpe:2.3:a:broadcom:brocade_active_support_connectivity_gateway:*:*:*:*:*:*:*:* Versions before 3.0.0 Vulnerable ·Broadcom

Remediation

Upgrade Brocade Active Support Connectivity Gateway to version 3.0 or later.

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

  • Fix · CNA Brocade Active Support Connectivity Gateway (Brocade) Fixed in 3.0

Timeline

  1. 2026-10-08 Threatist record created from CVE-2023-5649
  2. 2026-10-08 CISA SSVC decision points changed
  3. 2026-10-08 Priority changed: MEDIUM → LOW
  4. 2026-10-15 Alias added: GHSA-p8j5-m292-rhr4
  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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences