CVE-2021-27794 — Improper Authentication in Fabric Operating System

CWE-287 — Improper Authentication3 documents3 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 81.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Broadcom Fabric Operating SystemBrocade Fabric OS
Timeline
PublishedAug 12
Latest updateMay 24

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5brocade/brocade_fabric_osbefore Brocade Fabric OS v.9.0.1a, v8.2.3a and v7.4.2h
▶NVDbroadcom/fabric_operating_system8.0.0 — 8.2.3a+2

🔴Vulnerability Details

2
GHSA
GHSA-pm9p-wm39-4jc9: A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v↗2022-05-24
▶
CVEList
CVE-2021-27794: A vulnerability in the authentication mechanism of Brocade Fabric OS versions before Brocade Fabric OS v↗2021-08-12
▶
CVE-2021-27794 — Improper Authentication | cvebase