How severe is CVE-2020-15383?

CVE-2020-15383 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-2020-15383 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15383?

CVE-2020-15383 primarily affects Broadcom Fabric Operating System. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-15383?

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-2020-15383 published?

CVE-2020-15383 was published on 2021-06-09 and last updated on 2026-06-17.

CVE-2020-15383

CVE-2020-15383 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% (58th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Fabric Operating System
Published: 2021-06-09
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2020-15383?: 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.
How severe is CVE-2020-15383?: CVE-2020-15383 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-2020-15383 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15383?: CVE-2020-15383 primarily affects Broadcom Fabric Operating System. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-15383?: 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-2020-15383 published?: CVE-2020-15383 was published on 2021-06-09 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:o:broadcom:fabric_operating_system:*:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1a:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1b:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1c:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.1d:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.2a1:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.2b:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.2c:*:*:*:*:*:*:*

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