What is the CVSS score of CVE-2025-9711?

CVE-2025-9711 has a CVSS 3.1 base score of 7.8 (High). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-9711?

Within 24 hours: Identify and inventory all systems running Fabric OS versions 9.2.1 and earlier; restrict local user access to Fabric OS devices to essential personnel only. Within 7 days: Implement enhanced logging and monitoring for privilege escalation attempts; conduct access reviews to remove unnecessary local accounts. Within 30 days: Establish vendor contact for patch availability timeline; evaluate upgrade or replacement options for affected systems; implement network segmentation to isolate Fabric OS devices from critical infrastructure.

Fabric Operating System CVE-2025-9711

HIGH

Least Privilege Violation (CWE-272)

2026-02-03 sirt@brocade.com

Information Disclosure Broadcom Fabric Operating System

7.8

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-272 OWASP Top 10:2025 A06:2021 - Vulnerable and Outdated Components ASVS 5.0 V8 - Authorization Least privilege on resource access
Impact	CVSS 7.8 (HIGH). Attack vector: Local. Complexity: Low. Privileges required: Low. User interaction: None. Exploitation requires authentication. Exploitable via local access.
Exploit ScenarioDerived	An attacker (requires authentication) could exploit this vulnerability to elevating the privileges of the local authenticated user to “root” using the exp.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 12, 2026

Fabric Operating System versions up to 9.2.1 contains a vulnerability that allows attackers to elevating the privileges of the local authenticated user to “root” using the exp (CVSS 7.8).

RemediationAI

Monitor vendor advisories for a patch.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

affects Fabric Operating System. in Brocade Fabric OS before 9.2.1c3 could allow elevating the privileges of the local authenticated user to “root” using the export option of seccertmgmt and seccryptocfg commands.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.8 HIGH

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

DescriptionCVE.org

A vulnerability in Brocade Fabric OS before 9.2.1c3 could allow elevating the privileges of the local authenticated user to “root” using the export option of seccertmgmt and seccryptocfg commands.

Executive ViewAI

Why It Matters

Fabric Operating System versions up to 9.2.1 contain a privilege escalation vulnerability (CVE-2025-9711) that allows authenticated local users to gain root-level access. This poses a critical risk to any organization running affected Fabric OS versions, as compromised accounts could be leveraged for complete system control, data theft, and lateral movement across the infrastructure.

Business Impact: High

Compensating Controls

Disable local user shell access where operationally feasible; implement strict role-based access controls limiting local user privileges; enable command auditing and logging on all Fabric OS devices; implement network-level access controls restricting local connections to trusted administrative networks only; monitor for suspicious privilege escalation attempts; consider air-gapping affected systems until patch availability is confirmed.

Threat Intelligence Overview

EPSS Score

0.0%

Top 100% exploitable

Data Quality

3 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.0%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Small

Automatable· derived

Human Impact

High

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +39

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Information Disclosure MEDIUM

Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.