CVE-2021-27798 privileged directory transversal.in Brocade Fabric OS versions 7.4.1.x and 7.3.x

What is CVE-2021-27798?

CVE-2021-27798 is a medium-severity path traversal vulnerability in Broadcom Fabric Operating System, published on 5 Aug 2022. It can only be exploited from the same machine or local network, with no action from the victim.

Official 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.

Weakness: CWE-22

Which versions are affected by CVE-2021-27798?

It affects 1 product.

Products include Broadcom Fabric Operating System.

How do I fix CVE-2021-27798?

No fix has been published for CVE-2021-27798 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2021-27798 being exploited?

There is no known exploitation of CVE-2021-27798 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-3w97-9v6v-7c57.