How severe is CVE-2023-31432?

CVE-2023-31432 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-31432 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31432?

CVE-2023-31432 affects Broadcom Brocade Fabric Operating System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31432?

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-2023-31432 published?

CVE-2023-31432 was published on 2023-08-02 and last updated on 2026-06-17.

CVE-2023-31432

CVE-2023-31432 is a high-severity vulnerability in Broadcom Brocade Fabric Operating System with a CVSS 3.x base score of 7.8. 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-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-269
Affected product: Broadcom Brocade Fabric Operating System
Published: 2023-08-02
Last modified: 2026-06-17

Description

Through manipulation of passwords or other variables, using commands such as portcfgupload, configupload, license, myid, a non-privileged user could obtain root privileges in Brocade Fabric OS versions before Brocade Fabric OS v9.1.1c and v9.2.0.

Frequently asked questions

What is CVE-2023-31432?: Through manipulation of passwords or other variables, using commands such as portcfgupload, configupload, license, myid, a non-privileged user could obtain root privileges in Brocade Fabric OS versions before Brocade Fabric OS v9.1.1c and v9.2.0.
How severe is CVE-2023-31432?: CVE-2023-31432 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-31432 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31432?: CVE-2023-31432 affects Broadcom Brocade Fabric Operating System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31432?: 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-2023-31432 published?: CVE-2023-31432 was published on 2023-08-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:broadcom:brocade_fabric_operating_system:*:*:*:*:*:*:*:*

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