CVE-2018-6440

9.1 criticalEPSS 2.2%

Critical (9.1) in broadcom fabric operating system. EPSS 2.2% chance of exploitation in the next 30 days.

A vulnerability in the proxy service of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow remote unauthenticated attackers to obtain sensitive information and possibly cause a denial of service attack.

Severity

CVSS 3.0

9.1 critical

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS: 2.2% chance of exploitation in the next 30 days; higher than 82% of CVEs (scores of 2026-10-31)
Published: 2018-12-03
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

broadcom:fabric_operating_system

References

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-733
https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2018-733

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