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.
Conclusion & alert: CVE-2022-33186 is rated High Risk (66.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 1.12%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-05-17 | 0.99% | 1.12% | +0.13% |
| 2 | 2026-05-15 | 1.91% | 0.99% | -0.92% |
| 3 | 2026-05-12 | — | 1.91% | — |
Full EPSS history (26 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| broadcom | fabric_operating_system | 7.4.2j | cpe:2.3:o:broadcom:fabric_operating_system:7.4.2j:*:*:*:*:*:*:* |
| broadcom | fabric_operating_system | 8.2.3c | cpe:2.3:o:broadcom:fabric_operating_system:8.2.3c:*:*:*:*:*:*:* |
| broadcom | fabric_operating_system | 9.0.1e | cpe:2.3:o:broadcom:fabric_operating_system:9.0.1e:*:*:*:*:*:*:* |
| brocade | fabric_operating_system | 9.1.1 | cpe:2.3:o:brocade:fabric_operating_system:9.1.1:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://www.broadcom.com/support/fibre-channel-networking/security-advisories/brocade-security-advisory-2022-2121 | Mitigation Vendor Advisory |