CVE-2020-15383 Denial of service in Brocade Fabric OS

What is CVE-2020-15383?

CVE-2020-15383 is a high-severity denial of service vulnerability in Broadcom Fabric Operating System, published on 9 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Running security scans against the SAN switch can cause config and secnotify processes within the firmware before Brocade Fabric OS v9.0.0, v8.2.2d and v8.2.1e to consume all memory leading to denial of service impacts possibly including a switch panic.

Which versions are affected by CVE-2020-15383?

It affects 1 product.

Products include Broadcom Fabric Operating System.

How do I fix CVE-2020-15383?

No fix has been published for CVE-2020-15383 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-2020-15383 being exploited?

There is no known exploitation of CVE-2020-15383 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-69gq-36mp-5w52.