TI-2021-09191 Aliases CVE-2021-27798 GHSA-3w97-9v6v-7c57

privileged directory transversal.in Brocade Fabric OS versions 7.4.1.x and 7.3.x

LOW 24CWE-22Published 2022-08-05 · Updated 2025-02-15

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

A vulnerability in Brocade Fabric OS versions 7.4.1b and 7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions 7.4.1.x and 7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life published report.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00226 13th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
Brocade	Brocade Fabric OS	Brocade Fabric OS 7.4.1b, and 7.3.1d.	—	No fix listed	CNA

Brocade Fabric OS VendorBrocade Affected Brocade Fabric OS 7.4.1b, and 7.3.1d. Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:broadcom:fabric_operating_system:7.3.1d:::::::*	7.3.1d	Vulnerable	Broadcom
cpe:2.3:o:broadcom:fabric_operating_system:7.4.1b:::::::*	7.4.1b	Vulnerable	Broadcom

cpe:2.3:o:broadcom:fabric_operating_system:7.3.1d:*:*:*:*:*:*:* Versions 7.3.1d Vulnerable ·Broadcom
cpe:2.3:o:broadcom:fabric_operating_system:7.4.1b:*:*:*:*:*:*:* Versions 7.4.1b Vulnerable ·Broadcom

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-27798
2026-10-03 Alias added: GHSA-3w97-9v6v-7c57

References

Advisory 1

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2012

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