CVE-2023-4162 Segmentation fault in Brocade Fabric OS after Brocade Fabric OS v9.0

What is CVE-2023-4162?

CVE-2023-4162 is a medium-severity denial of service vulnerability in Broadcom Fabric Operating System, published on 31 Aug 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

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“.

Weakness: CWE-400, CWE-252

Which versions are affected by CVE-2023-4162?

It affects 1 product.

Products include Broadcom Fabric Operating System.

How do I fix CVE-2023-4162?

No fix has been published for CVE-2023-4162 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-4162 being exploited?

There is no known exploitation of CVE-2023-4162 in the wild and no public exploit code.

Other vulnerabilities in Broadcom Fabric Operating System

• CVE-2025-1976 Broadcom Brocade Fabric OS Code Injection Exploited High 8.6
• CVE-2021-22555 Linux Kernel Heap Out-of-Bounds Write Exploited High 8.3
• CVE-2022-33186 Command injection in Brocade Fabric OS Critical 9.8
• CVE-2021-27797 Hardcoded credentials in Brocade Fabric OS Critical 9.8
• CVE-2020-15371 Code injection in Brocade Fabric OS Critical 9.8

All Broadcom Fabric Operating System vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-g5c7-69g3-565r.