How severe is CVE-2022-33186?

CVE-2022-33186 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-33186 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33186?

CVE-2022-33186 primarily affects Brocade 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-2022-33186?

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

When was CVE-2022-33186 published?

CVE-2022-33186 was published on 2022-12-08 and last updated on 2026-06-17.

CVE-2022-33186

CVE-2022-33186 is a critical-severity vulnerability in Brocade Fabric Operating System with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-78.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 2% (72nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Brocade Fabric Operating System
Published: 2022-12-08
Last modified: 2026-06-17

Description

A vulnerability in Brocade Fabric OS software v9.1.1, v9.0.1e, v8.2.3c, v7.4.2j, and earlier versions could allow a remote unauthenticated attacker to execute on a Brocade Fabric OS switch commands capable of modifying zoning, disabling the switch, disabling ports, and modifying the switch IP address.

Frequently asked questions

What is CVE-2022-33186?: A vulnerability in Brocade Fabric OS software v9.1.1, v9.0.1e, v8.2.3c, v7.4.2j, and earlier versions could allow a remote unauthenticated attacker to execute on a Brocade Fabric OS switch commands capable of modifying zoning, disabling the switch, disabling ports, and modifying the switch IP address.
How severe is CVE-2022-33186?: CVE-2022-33186 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-33186 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33186?: CVE-2022-33186 primarily affects Brocade 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-2022-33186?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-33186 published?: CVE-2022-33186 was published on 2022-12-08 and last updated on 2026-06-17.

References

https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2121

Affected products (4)

cpe:2.3:o:broadcom:fabric_operating_system:7.4.2j:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:8.2.3c:*:*:*:*:*:*:*
cpe:2.3:o:broadcom:fabric_operating_system:9.0.1e:*:*:*:*:*:*:*
cpe:2.3:o:brocade:fabric_operating_system:9.1.1:*:*:*:*:*:*:*

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