How severe is CVE-2018-6440?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Broadcom Fabric_operating_system

CVE-2018-6440

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.

EPSS: 0.022 (80.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H.

Affected products

Broadcom Fabric_operating_system
Brocade Communications Systems, Inc. Fabric Os — versions All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d

References

sirt@brocade.com (x_refsource_CONFIRM, Third Party Advisory, Mitigation)

Frequently asked questions

What is CVE-2018-6440?: CVE-2018-6440 is a critical-severity vulnerability in Broadcom Fabric_operating_system. CVSS score: 9.1/10. Published 2018-12-03.
How severe is CVE-2018-6440?: Critical severity. CVSS v3 base score is 9.1 out of 10.