How severe is CVE-2023-31425?

CVE-2023-31425 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-2023-31425 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-31425?

CVE-2023-31425 affects Broadcom Fabric Operating System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-31425?

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-2023-31425 published?

CVE-2023-31425 was published on 2023-08-01 and last updated on 2026-06-17.

CVE-2023-31425

CVE-2023-31425 is a high-severity vulnerability in Broadcom 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Broadcom Fabric Operating System
Published: 2023-08-01
Last modified: 2026-06-17

Description

A vulnerability in the fosexec command of Brocade Fabric OS after Brocade Fabric OS v9.1.0 and, before Brocade Fabric OS v9.1.1 could allow a local authenticated user to perform privilege escalation to root by breaking the rbash shell. Starting with Fabric OS v9.1.0, “root” account access is disabled.

Frequently asked questions

What is CVE-2023-31425?: A vulnerability in the fosexec command of Brocade Fabric OS after Brocade Fabric OS v9.1.0 and, before Brocade Fabric OS v9.1.1 could allow a local authenticated user to perform privilege escalation to root by breaking the rbash shell. Starting with Fabric OS v9.1.0, “root” account access is disabled.
How severe is CVE-2023-31425?: CVE-2023-31425 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-2023-31425 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-31425?: CVE-2023-31425 affects Broadcom Fabric Operating System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-31425?: 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-2023-31425 published?: CVE-2023-31425 was published on 2023-08-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:broadcom:fabric_operating_system:9.1.0:*:*:*:*:*:*:*

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