How severe is CVE-2020-15376?

CVE-2020-15376 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-15376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-15376?

CVE-2020-15376 affects Broadcom Fabric Operating System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-15376?

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

When was CVE-2020-15376 published?

CVE-2020-15376 was published on 2020-12-11 and last updated on 2026-06-17.

CVE-2020-15376

CVE-2020-15376 is a medium-severity vulnerability in Broadcom Fabric Operating System with a CVSS 3.x base score of 4.3. 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 4.3)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Broadcom Fabric Operating System
Published: 2020-12-11
Last modified: 2026-06-17

Description

Brocade Fabric OS versions before v9.0.0 and after version v8.1.0, configured in Virtual Fabric mode contain a weakness in the ldap implementation that could allow a remote ldap user to login in the Brocade Fibre Channel SAN switch with "user" privileges if it is not associated with any groups.

Frequently asked questions

What is CVE-2020-15376?: Brocade Fabric OS versions before v9.0.0 and after version v8.1.0, configured in Virtual Fabric mode contain a weakness in the ldap implementation that could allow a remote ldap user to login in the Brocade Fibre Channel SAN switch with "user" privileges if it is not associated with any groups.
How severe is CVE-2020-15376?: CVE-2020-15376 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-15376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-15376?: CVE-2020-15376 affects Broadcom Fabric Operating System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-15376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-15376 published?: CVE-2020-15376 was published on 2020-12-11 and last updated on 2026-06-17.

References

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2020-1158

Affected products (1)

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

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