How severe is CVE-2020-15386?

CVE-2020-15386 has a CVSS 3.x base score of 5.3, rated medium 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 low.

Is CVE-2020-15386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15386?

CVE-2020-15386 primarily affects Broadcom Fabric Operating System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-15386?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-15386 published?

CVE-2020-15386 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2020-15386

CVE-2020-15386 is a medium-severity vulnerability in Broadcom Fabric Operating System with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
CVSS v2: 5.0
EPSS exploit prediction: 1% (57th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Fabric Operating System
Published: 2021-06-09
Last modified: 2026-06-17

Description

Brocade Fabric OS prior to v9.0.1a and 8.2.3a and after v9.0.0 and 8.2.2d may observe high CPU load during security scanning, which could lead to a slower response to CLI commands and other operations.

Frequently asked questions

What is CVE-2020-15386?: Brocade Fabric OS prior to v9.0.1a and 8.2.3a and after v9.0.0 and 8.2.2d may observe high CPU load during security scanning, which could lead to a slower response to CLI commands and other operations.
How severe is CVE-2020-15386?: CVE-2020-15386 has a CVSS 3.x base score of 5.3, rated medium 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 low.
Is CVE-2020-15386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (57th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15386?: CVE-2020-15386 primarily affects Broadcom Fabric Operating System. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-15386?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15386 published?: CVE-2020-15386 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:broadcom:fabric_operating_system:8.2.3:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:9.0.0a:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:9.0.0b:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:9.0.1:*:*:*:*:*:*:*

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