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% (73rd 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% (73rd 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% (73rd 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:*:*:*:*:*:*:*

More vulnerabilities in Brocade Fabric Operating System

CVE-2021-22555 — High (CVSS 8.3): A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an…
CVE-2022-22576 — High (CVSS 8.1): An improper authentication vulnerability exists in curl 7.33.0 to and including 7.82.0 which might allow reuse…
CVE-2022-27775 — High (CVSS 7.5): An information disclosure vulnerability exists in curl 7.65.0 to 7.82.0 are vulnerable that by using an IPv6 address…
CVE-2020-13630 — High (CVSS 7.0): ext/fts3/fts3.c in SQLite before 3.32.0 has a use-after-free in fts3EvalNextRow, related to the snippet feature.
CVE-2022-27776 — Medium (CVSS 6.5): A insufficiently protected credentials vulnerability in fixed in curl 7.83.0 might leak authentication or cookie header…
CVE-2022-27774 — Medium (CVSS 5.7): An insufficiently protected credentials vulnerability exists in curl 4.9 to and include curl 7.82.0 are affected that…

All CVEs affecting Brocade Fabric Operating System →

Other CWE-78 (OS Command Injection) vulnerabilities

CVE-2026-19188 — Critical (CVSS 10.0): A critical OS command injection vulnerability has been identified in the Haiwell IoT Cloud HMI Gateway product. The…
CVE-2026-48362 — Critical (CVSS 10.0): ColdFusion is affected by an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')…
CVE-2026-16812 — Critical (CVSS 10.0): VeloCloud Orchestrator (VCO) on-prem has a security issue where this issue may allow a remote attacker to access…
CVE-2026-6516 — Critical (CVSS 10.0): Zohocorp ManageEngine ADAudit Plus versions before 8606 are affected by Unauthenticated Remote code execution due to…
CVE-2026-46339 — Critical (CVSS 10.0): 9Router is an AI router & token saver. From 0.4.30 until 0.4.37, 9Router's src/proxy.js middleware did not protect…
CVE-2026-59726 — Critical (CVSS 10.0): Ruflo is an agent meta-harness for Claude Code and Codex. Prior to 3.16.3, ruflo's default docker-compose deployment…

Browse all CWE-78 (OS Command Injection) vulnerabilities →