CVE-2021-27798: broadcom fabric_operating_system Path Traversal

Vulnerability summary

CVE-2021-27798 is a medium (CVSS 5.5) Path Traversal vulnerability in broadcom fabric_operating_system. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities.

Timeline

1. 05-08-2022
   PublishedVulnerability first disclosed.
2. 15-02-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability in Brocade Fabric OS versions 7.4.1b and 7.3.1d could allow local users to conduct privileged directory transversal. Brocade Fabric OS versions 7.4.1.x and 7.3.x have reached end of life. Brocade Fabric OS Users should upgrade to supported versions as described in the Product End-of-Life published report.

• CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.