How severe is CVE-2018-6448?

CVE-2018-6448 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-6448 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6448?

CVE-2018-6448 affects Broadcom Fabric Operating System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6448?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-6448 published?

CVE-2018-6448 was published on 2020-09-25 and last updated on 2026-06-17.

CVE-2018-6448

CVE-2018-6448 is a high-severity vulnerability in Broadcom Fabric Operating System with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Fabric Operating System
Published: 2020-09-25
Last modified: 2026-06-17

Description

A vulnerability in the management interface in Brocade Fabric OS Versions before Brocade Fabric OS v9.0.0 could allow a remote attacker to perform a denial of service attack on the vulnerable host.

Frequently asked questions

What is CVE-2018-6448?: A vulnerability in the management interface in Brocade Fabric OS Versions before Brocade Fabric OS v9.0.0 could allow a remote attacker to perform a denial of service attack on the vulnerable host.
How severe is CVE-2018-6448?: CVE-2018-6448 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-6448 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6448?: CVE-2018-6448 affects Broadcom Fabric Operating System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6448?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-6448 published?: CVE-2018-6448 was published on 2020-09-25 and last updated on 2026-06-17.

References

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2020-1075

Affected products (1)

cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*

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