CVE-2021-27797

highpriority · track · 39OT risk · elevatedEPSS 0.013 · 71 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

1.35% (71st) EPSS

CVSS 7.5 · high

Is it mine?

5 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.x contain documented hard-coded credentials, which could allow attackers to gain access to the system.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.5–9.8

v2.07.5highAV:N/AC:L/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 10 · impact 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-798USprimary

affected products (5)

Products and version ranges known to be affected.

n/a Brocade FABRIC OS≤ Brocade Fabric OS before Brocade Fabric OS v8.2.1c, v8.1.2h, and all versions of Brocade Fabric OS v8.0.x and v7.xenisa_euvdEU
broadcom fabric operating system7.0.0 → 7.4.2hnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system8.0.0 → 8.0.2fnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system8.1.2 → 8.1.2hnvdUScpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
broadcom fabric operating system8.2.1 → 8.2.1cnvdUScpe: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 2022-02-21modified 2026-06-17

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+2276 more

references (7)

External citations — patches, advisories, analysis.

scry

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