High severity · published Nov 8, 2018
CVE-2018-6436
A Vulnerability in the firmwaredownload command of Brocade Fabric OS command line interface (CLI) versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to…
7.8
CVSS
0.4%
EPSS
No
On KEV
Description
A Vulnerability in the firmwaredownload command of Brocade Fabric OS command line interface (CLI) versions before 8.2.1, 8.1.2f, 8.0.2f, 7.4.2d could allow a local attacker to escape the restricted shell and, gain root access.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FO
Fabric Operating System · Broadcom
7.4.2 before 7.4.2d; 8.0.2 before 8.0.2f; 8.1.2 before 8.1.2f; 8.2.0 before 8.2.1 · source: NVD
Affected product
FO
Fabric Operating System
Broadcom
More from Fabric Operating System
7.8
CVE-2021-22555
Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
6.7
CVE-2025-1976
Code injection exposure in Fabric OS 9.1.0 through 9.1.1d6
9.8
CVE-2026-87659
A critical authorization bypass vulnerability exists in the Management Server handling of Brocade Fabric OS versions before 10.0.1
9.8
CVE-2026-87684
A stack-based buffer overflow vulnerability exists in the SNMP daemon request handling of Brocade Fabric versions before 10.0.1
9.8
CVE-2023-3454
Remote code execution (RCE) vulnerability in Brocade Fabric OS after v9.0 and before v9.2.0 could allow an attacker to execute arbitrary code and use this to gain root access to…