A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the re…

published 2022-02-21 4y ago modified 2026-06-17 4mo ago also EUVD-2021-14537

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 0.9%; EPSS 0.9% chance of exploitation in 30 days, percentile 60%
public exploits: 0; none known

A vulnerability in Brocade Fabric OS versions before Brocade Fabric OS v8.0.1b, v7.4.1d could allow an authenticated attacker within the restricted shell environment (rbash) as either the “user” or “factory” account, to read the contents of any file on the filesystem utilizing one of a few available binaries.

Patch / fix

fixed in 1

broadcom fabric_operating_system 7.4.1d, 8.0.1b

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Exploit prediction

0.91% chance of exploitation in the next 30 days, higher than 60% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD	2.0	6.8	AV:N/AC:L/Au:S/C:C/I:N/A:N

Affected products

n/a Brocade Fabric OS

References

broadcom.com /support/fibre-channel-networking/security-advisories/brocade-security-advisory-2021-1721
vendor-advisory

Sources

CVE List CVE-2021-27796
NVD CVE-2021-27796

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