CVE-2023-4162
MediumCVSS 4.4Exploitation Probability (EPSS)
Low risk6th percentile - higher than 6% of all known CVEs
Summary
A segmentation fault can occur in Brocade Fabric OS after version 9.0 and before version 9.2.0a through the passwdcfg command. This allows an authenticated privileged local user to crash a Brocade Fabric OS switch.
Risk Assessment
This vulnerability could lead to a switch crash, potentially disrupting network operations and service availability within the organization.
Recommendation
It is recommended to update Brocade Fabric OS to version 9.2.0a or later to mitigate this vulnerability.
Other vulnerabilities in Brocade Fabric OS
See all- CVE-2025-1976MediumActively exploited
Brocade Fabric OS versions starting with 9.1.0 have root access removed, however, a local user with admin privilege can potentially execute arbitrary code with full root privileges on Fabric OS versions 9.1.0 through 9.1.1d6.
- CVE-2023-4163Medium
In Brocade Fabric OS before v9.2.0a, a local authenticated privileged user can trigger a buffer overflow condition, leading to a kernel panic with large input to buffers in the portcfgfportbuffers command.
- CVE-2023-3489High
The firmwaredownload command on Brocade Fabric OS v9.2.0 could log the FTP/SFTP/SCP server password in clear text in the SupportSave file when performing a downgrade to any earlier version of Fabric OS.
Original NVD description (English source)
A segmentation fault can occur in Brocade Fabric OS after Brocade Fabric OS v9.0 and before Brocade Fabric OS v9.2.0a through the passwdcfg command. This could allow an authenticated privileged user local user to crash a Brocade Fabric OS swith using the cli “passwdcfg --set -expire -minDiff“.

