CVE-2018-6434

mediumpriority · track · 30EPSS 0.012 · 68 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.21% (68th) EPSS

CVSS 5 · medium

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

A vulnerability in the web management interface of Brocade Fabric OS versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow attackers to intercept or manipulate a user's session ID.

cvss

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

7.5

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 3.6

v3.06.9mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-384USprimary

affected products (5)

Products and version ranges known to be affected.

Brocade Communications Systems, Inc. Brocade FABRIC OS≤ All versions prior to version 8.2.1, 8.1.2f, 8.0.2f, 7.4.2denisa_euvdEU
broadcom fabric operating system7.4.2 → 7.4.2dnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system8.0.2 → 8.0.2fnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system8.1.2 → 8.1.2fnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system8.2.0 → 8.2.1nvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*

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 2018-11-08modified 2026-06-17

related (608)

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+603 more

references (5)

External citations — patches, advisories, analysis.

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