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TI-2023-03852 Aliases CVE-2023-4163GHSA-cfpg-6fr3-9x4g

Possible buffer overflow in portcfgfportbuffers in Brocade Fabric OS

Priority LOW 20CWE-120Published · Updated

Key facts

Attack vector
Local
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

In Brocade Fabric OS before v9.2.0a, a local authenticated privileged user can trigger a buffer overflow condition, leading to a kernel panic with large input to buffers in the portcfgfportbuffers command.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00269 19th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 Fabric OSFabric OS before v9.2.0a and later—No fix listedCNA
  • Brocade Fabric OS VendorBrocade Affected Fabric OS before v9.2.0a and later Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*before 9.2.0aVulnerableBroadcom
  • cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* Versions before 9.2.0a Vulnerable ·Broadcom

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-4163
  2. 2026-10-03 Alias added: GHSA-cfpg-6fr3-9x4g

References

  • 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