Path traversal in Brocade Fabric OS - CVE-2021-27798
Published: July 27, 2022
Vulnerability identifier: #VU65809
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-27798
CWE-ID: CWE-22
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Brocade
Affected software:
Brocade Fabric OS
Brocade Fabric OS
Detailed vulnerability description
The vulnerability allows a local user to perform directory traversal attacks.
The vulnerability exists due to input validation error when processing directory traversal sequences. A local user with “user” or “factory” privileges can list the entirety of the filesystem utilizing the “more” binary and tab-completion.
How to mitigate CVE-2021-27798
Update to the latest supported version of Brocade Fabric OS.