What is CVE-2021-27794?

CVE-2021-27794 is a high-severity vulnerability in Broadcom Fabric Operating System, classified under Improper Authentication. CVSS score: 7.8/10. Published 2021-08-12.

How severe is CVE-2021-27794?

High severity. CVSS v3 base score is 7.8 out of 10.

Auth bypass in Broadcom Fabric Operating System

CVE-2021-27794

A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h could allow a user to Login with empty password, and invalid password through telnet, ssh and REST.

Vulnerability class: Broken Authentication

EPSS: 0.002 (15.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Broadcom Fabric_operating_system
N/a Brocade Fabric Os — versions before Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

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

Frequently asked questions

What is CVE-2021-27794?: CVE-2021-27794 is a high-severity vulnerability in Broadcom Fabric Operating System, classified under Improper Authentication. CVSS score: 7.8/10. Published 2021-08-12.
How severe is CVE-2021-27794?: High severity. CVSS v3 base score is 7.8 out of 10.