CVE-2017-6227

mediumpriority · track · 26EPSS 0.005 · 45 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.54% (45th) EPSS

CVSS 6.1 · medium

Is it mine?

9 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A vulnerability in the IPv6 stack on Brocade Fibre Channel SAN products running Brocade Fabric OS (FOS) versions before 7.4.2b, 8.1.2 and 8.2.0 could allow an attacker to cause a denial of service (CPU consumption and device hang) condition by sending crafted Router Advertisement (RA) messages to a targeted system.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.06.1mediumAV:A/AC:L/Au:N/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 6.5 · impact 6.9

v3.06.5mediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.06mediumCVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-400USLLM-inferred

affected products (9)

Products and version ranges known to be affected.

Brocade Communications Systems, Inc. Brocade FABRIC OS≤ all versions before 7.4.2b, 8.1.2 and 8.2.0enisa_euvdEU
broadcom fabric operating system< 7.4.2bnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system= 8.0.0nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system= 8.0.1nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system= 8.0.2nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system= 8.1.0nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system= 8.1.1nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system= 8.1.2nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
brocade fabric os= 8.0.2b2nvdUScpe:2.3:o:brocade:fabric_os:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2018-02-08modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

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