A Vulnerability in the configdownload command of Brocade Fabric OS command line interface…
Priority LOW 36Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A Vulnerability in the configdownload command of Brocade Fabric OS command line interface (CLI) versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to escape the restricted shell and, gain root access.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00349 28th 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
- Total
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 | All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d | — | No fix listed | CNA |
- Brocade Fabric OS VendorBrocade Affected All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* | 7.4.2 to before 7.4.2d; 8.0.2 to before 8.0.2f; 8.1.2 to before 8.1.2f; 8.2.0 to before 8.2.1 | Vulnerable | Broadcom |
- cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:* Versions 7.4.2 to before 7.4.2d; 8.0.2 to before 8.0.2f; 8.1.2 to before 8.1.2f; 8.2.0 to before 8.2.1 Vulnerable ·Broadcom
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-6439
- 2026-10-03 Alias added: GHSA-mc2c-rhc8-mqm9
References
More Brocade vulnerabilities
- 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
Sources
- CVE-2018-6439 · CVE Program
- CVE-2018-6439 · NVD
- FIRST EPSS
- GHSA-mc2c-rhc8-mqm9 · GitHub Advisory Database · CC BY 4.0
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